Lista de obras -

10-year outcome study of an early intervention program for psychosis compared with standard care service.

artículo científico publicado en 2014

A 3-year retrospective cohort study of predictors of relapse in first-episode psychosis in Hong Kong

artículo científico publicado en 2013

A Low-Intensity Mindfulness-Based Intervention for Mood Symptoms in People with Early Psychosis: Development and Pilot Evaluation.

artículo científico publicado en 2015

A population study of public stigma about psychosis and its contributing factors among Chinese population in Hong Kong.

artículo científico publicado en 2015

A systematic review of clinical guidelines on choice, dose, and duration of antipsychotics treatment in first- and multi-episode schizophrenia

scientific article published on 21 June 2019

A systematic review of long-term outcomes of patients with psychosis who received early intervention services

artículo científico publicado en 2019

A systematic review on definitions and assessments of psychotic-like experiences.

artículo científico

Aerobic exercise and yoga improve neurocognitive function in women with early psychosis

artículo científico publicado en 2015

Antipsychotic Treatment of Young Chinese Individuals From 2004 to 2015: A Population-Based Study in Hong Kong.

artículo científico publicado en 2016

Association Between Acute Neuropsychiatric Events and Helicobacter pylori Therapy Containing Clarithromycin.

artículo científico publicado en 2016

Association of an Early Intervention Service for Psychosis With Suicide Rate Among Patients With First-Episode Schizophrenia-Spectrum Disorders

artículo científico publicado en 2018

Chinese label for people at risk for psychosis.

artículo científico publicado en 2015

Clinical and cognitive correlates of insight in first-episode schizophrenia.

artículo científico

Clinical and cognitive predictors of vocational outcome in first-episode schizophrenia: a prospective 3 year follow-up study.

artículo científico publicado en 2014

Clinical and functional correlates of financially deprived women with first-episode psychosis.

artículo científico publicado en 2018

Clinical and social correlates of duration of untreated psychosis among adult-onset psychosis in Hong Kong Chinese: the JCEP study.

artículo científico publicado en 2013

Clinical and treatment-related determinants of subjective quality of life in patients with first-episode psychosis

artículo científico publicado en 2016

Cognitive and affective perspectives on formation and maintenance of grandiose delusions of a patient with schizophrenia

artículo científico publicado en 2013

Comparing illness presentation, treatment and functioning between patients with adolescent- and adult-onset psychosis.

artículo científico publicado en 2014

Comparison of cognitive functions between first-episode schizophrenia patients, their unaffected siblings and individuals at clinical high-risk for psychosis

scientific article published on 18 September 2018

Correlates of insight with symptomatology and executive function in patients with first-episode schizophrenia-spectrum disorder: a longitudinal perspective

artículo científico publicado en 2013

Coupling physical exercise with dietary glucose supplement for treating cognitive impairment in schizophrenia: a theoretical model and future directions

artículo científico publicado en 2013

Delusional disorder and schizophrenia: a comparison of the neurocognitive and clinical characteristics in first-episode patients

artículo científico publicado en 2015

Demographic correlates of medication knowledge in Hong Kong early psychosis patients

artículo científico publicado en 2016

Depression and post-traumatic stress during major social unrest in Hong Kong: a 10-year prospective cohort study

scientific article published on 09 January 2020

Destigmatizing psychosis: Investigating the effectiveness of a school-based programme in Hong Kong secondary school students

artículo científico publicado en 2018

Developments in early intervention for psychosis in Hong Kong

artículo científico publicado el 1 de septiembre de 2012

Differential cortical thinning of auditory cortex in first episode schizophrenia: Association with auditory verbal hallucinations

scientific article published on 01 December 2018

Duration of untreated psychosis: Relationship with baseline characteristics and three-year outcome in first-episode psychosis

artículo científico publicado en 2012

Early intervention and evaluation for adult-onset psychosis: the JCEP study rationale and design.

artículo científico publicado en 2013

Early intervention for incipient insanity: early notions from the 19(th) century English literature.

artículo científico publicado en 2016

Early intervention for psychotic disorders: Real-life implementation in Hong Kong.

artículo científico publicado en 2012

Early-Stage Negative Symptom Trajectories and Relationships With 13-Year Outcomes in First-Episode Nonaffective Psychosis

artículo científico publicado en 2019

Effect of brief social contact video compared with expert information video in changing knowledge and attitude towards psychosis patients among medical students

artículo científico publicado en 2020

Efficacy of transcranial direct current stimulation (tDCS) as a treatment for persistent hallucinations in patients with schizophrenia: A systematic review and meta-analysis

scientific article published on 24 August 2018

Effort-based decision-making impairment in patients with clinically-stabilized first-episode psychosis and its relationship with amotivation and psychosocial functioning

artículo científico publicado en 2019

Elucidating the relationship between internalized stigma, cognitive insight, illness severity, and functioning in patients with schizophrenia using a path analysis approach

artículo científico publicado en 2020

Examining gender difference in adult-onset psychosis in Hong Kong

artículo científico publicado en 2014

Executive dysfunctions differentially predict amotivation in first-episode schizophrenia-spectrum disorder: a prospective 1-year follow-up study

artículo científico publicado en 2018

Executive function as predictors of persistent thought disorder in first-episode schizophrenia: a one-year follow-up study

artículo científico

Factors Associated With Successful Medication Discontinuation After a Randomized Clinical Trial of Relapse Prevention in First-Episode Psychosis: A 10-Year Follow-up.

artículo científico publicado en 2019

Gender differences in correlates of cognition in first-episode psychosis

artículo científico publicado en 2018

Gender differences in patients presenting with first-episode psychosis in Hong Kong: a three-year follow up study.

artículo científico publicado en 2011

Gender effect on public stigma changes towards psychosis in the Hong Kong Chinese population: a comparison between population surveys of 2009 and 2014.

artículo científico publicado en 2016

Impact of avolition and cognitive impairment on functional outcome in first-episode schizophrenia-spectrum disorder: a prospective one-year follow-up study.

artículo científico publicado en 2016

Impact of physical activity on functioning of patients with first-episode psychosis — A 6months prospective longitudinal study

artículo científico publicado en 2013

Impacts of duration of untreated psychosis on cognition and negative symptoms in first-episode schizophrenia: a 3-year prospective follow-up study.

artículo científico publicado en 2012

Incidence of hospitalization and its associated factors in first-episode psychosis in Hong Kong

artículo científico publicado en 2015

Inter-relationships among psychopathology, premorbid adjustment, cognition and psychosocial functioning in first-episode psychosis: a network analysis approach

scientific article published on 27 August 2019

Late-onset psychosis and very-late-onset-schizophrenia-like-psychosis: an updated systematic review

scientific article published on 01 August 2019

Letter to the Editor: Comparing delusional disorder and schizophrenia: a comment on Hui et al. (2015)-–a reply

artículo científico publicado en 2015

Letter to the Editor: Comparison of cognitive functions, pre-morbid conditions and clinical characteristics between brief psychotic disorder and schizophrenia

artículo científico publicado en 2016

Lifetime Prevalence and Correlates of Schizophrenia-Spectrum, Affective, and Other Non-affective Psychotic Disorders in the Chinese Adult Population

artículo científico publicado en 2017

Long term effect of early intervention service on duration of untreated psychosis in youth and adult population in Hong Kong.

artículo científico publicado en 2016

Long-term effects of discontinuation from antipsychotic maintenance following first-episode schizophrenia and related disorders: a 10 year follow-up of a randomised, double-blind trial.

artículo científico publicado en 2018

Longitudinal changes in semantic categorization performance after symptomatic remission from first-episode psychosis: A 3-year follow-up study ⬇️

artículo científico publicado el 25 de marzo de 2012

Medication adherence, knowledge about psychosis, and insight among patients with a schizophrenia-spectrum disorder.

artículo científico publicado en 2014

Metabolic screening for patients with second-generation antipsychotic medication: A population-based study from 2004 to 2016

artículo científico publicado en 2018

Mild Reinforcement Learning Deficits in Patients With First-Episode Psychosis.

artículo científico publicado en 2016

Mortality in patients with schizophrenia admitted for incident ischemic stroke: A population-based cohort study

artículo científico publicado en 2019

Mortality, Revascularization, and Cardioprotective Pharmacotherapy After Acute Coronary Syndrome in Patients With Psychotic Disorders: A Population-Based Cohort Study

scientific article published on 21 February 2020

Motivational impairment predicts functional remission in first-episode psychosis: 3-Year follow-up of the randomized controlled trial on extended early intervention.

artículo científico publicado en 2018

Negative symptom dimensions differentially impact on functioning in individuals at-risk for psychosis

artículo científico publicado en 2018

Newspaper coverage of mental illness in Hong Kong between 2002 and 2012: impact of introduction of a new Chinese name of psychosis.

artículo científico publicado en 2015

Objective and subjective cognitive functioning in relation to psychopathology among women with early psychosis

scientific article published on 28 November 2018

Optimal duration of an early intervention programme for first-episode psychosis: randomised controlled trial.

artículo científico publicado en 2015

Patterns and predictors of trajectories for social and occupational functioning in patients presenting with first-episode non-affective psychosis: A three-year follow-up study.

artículo científico publicado en 2018

Perceived risk of relapse and role of medication: comparison between patients with psychosis and their caregivers.

artículo científico publicado en 2014

Perception towards relapse and its predictors in psychosis patients: A qualitative study

artículo científico publicado en 2016

Persistent negative symptoms in first-episode schizophrenia: a prospective three-year follow-up study.

artículo científico publicado en 2011

Predicting 1-year risk for relapse in patients who have discontinued or continued quetiapine after remission from first-episode psychosis.

artículo científico

Predicting first-episode psychosis patients who will never relapse over 10 years

article

Prediction of functional remission in first-episode psychosis: 12-month follow-up of the randomized-controlled trial on extended early intervention in Hong Kong.

artículo científico publicado en 2016

Prediction of motivational impairment: 12-month follow-up of the randomized-controlled trial on extended early intervention for first-episode psychosis.

artículo científico publicado en 2016

Prediction of self-stigma in early psychosis: 3-Year follow-up of the randomized-controlled trial on extended early intervention

artículo científico publicado en 2017

Predictors of functioning in people suffering from first-episode psychosis 1 year into entering early intervention service in Hong Kong.

artículo científico publicado en 2016

Predictors of help-seeking duration in adult-onset psychosis in Hong Kong.

artículo científico publicado en 2013

Premorbid, clinical and cognitive correlates of primary negative symptoms in first-episode psychosis.

artículo científico publicado en 2016

Prevalence and predictors of medication non-adherence among Chinese patients with first-episode psychosis.

artículo científico publicado en 2015

Prevalence and risk factors for suicidal behavior in young people presenting with first-episode psychosis in Hong Kong: a 3-year follow-up study

artículo científico

Prevalence and risk factors for violent behavior in young people presenting with first-episode psychosis in Hong Kong: A 3-year follow-up study

artículo científico

Prevalence of anxiety disorders in community dwelling older adults in Hong Kong.

artículo científico publicado en 2016

Prevalence, psychosocial correlates and service utilization of depressive and anxiety disorders in Hong Kong: the Hong Kong Mental Morbidity Survey (HKMMS).

artículo científico publicado en 2015

Prodromal psychosis: a case series of ten symptomatic patients

artículo científico publicado en 2015

Prospective relationship between duration of untreated psychosis and 13-year clinical outcome: A first-episode psychosis study

journal article from 'Schizophrenia Research' published in 2014

Psychiatric comorbidity in individuals at-risk for psychosis: Relationships with symptoms, cognition and psychosocial functioning

artículo científico publicado en 2020

Psychiatrists' opinion towards medication discontinuation in remitted first-episode psychosis: A multi-site study of the Asian Network for Early Psychosis

artículo científico publicado en 2018

Psychosis patients' knowledge, adherence and attitudes towards the naming of antipsychotic medication in Hong Kong.

artículo científico publicado en 2014

Public Stigma in China Associated With Schizophrenia, Depression, Attenuated Psychosis Syndrome, and Psychosis-Like Experiences.

artículo científico publicado en 2016

Quality of life and functioning in first-episode psychosis Chinese patients with different antipsychotic medications.

artículo científico publicado en 2015

Rate and predictors of disengagement from a 2-year early intervention program for psychosis in Hong Kong.

artículo científico publicado en 2014

Rate and risk factors of depressive symptoms in Chinese patients presenting with first-episode non-affective psychosis in Hong Kong

artículo científico publicado en 2015

Rates and predictors of disengagement of patients with first-episode psychosis from the early intervention service for sychosis service (EASY) covering 15 to 64 years of age in Hong Kong

artículo científico publicado en 2017

ReMind, a smartphone application for psychotic relapse prediction: A longitudinal study protocol

artículo científico publicado en 2020

Relationship between diminished expression and cognitive impairment in first-episode schizophrenia: a prospective three-year follow-up study.

artículo científico publicado en 2013

Relationship between neurocognitive function and clinical symptoms with self-stigma in patients with schizophrenia-spectrum disorders.

artículo científico publicado en 2017

Relationship between stressful life events, stigma and life satisfaction with the willingness of disclosure of psychotic illness: A community study in Hong Kong

artículo científico publicado en 2020

Relationship of amotivation to neurocognition, self-efficacy and functioning in first-episode psychosis: a structural equation modeling approach

artículo científico publicado en 2016

Reliability and validity of the life functioning assessment inventory (L-FAI) for patients with psychosis.

artículo científico publicado en 2013

Risk factors for antipsychotic medication non-adherence behaviors and attitudes in adult-onset psychosis.

artículo científico publicado en 2016

Risk of mortality and complications in patients with schizophrenia and diabetes mellitus: population-based cohort study

scientific article published on 07 January 2021

SA128. Primary Negative Symptoms in First-Episode Psychosis: Its Relationship With Functioning and Subjective Quality of Life

artículo científico publicado en 2017

Screening and assessing ideas and delusions of reference using a semi-structured interview scale: a validation study of the Ideas of Reference Interview Scale (IRIS) in early psychosis patients.

artículo científico

Self-perceived cognitive functioning and its relationship with objective performance in first-episode schizophrenia: the Subjective Cognitive Impairment Scale

artículo científico publicado en 2014

Self-stigma and affiliate stigma in first-episode psychosis patients and their caregivers.

artículo científico publicado en 2016

Sexual dysfunction in Chinese patients with first-episode psychosis: prevalence, clinical correlates and functioning.

artículo científico publicado en 2013

Spontaneous eye blink in patients with psychosis in perceptions of stimulus salience

scientific article published on 29 May 2019

Suicide Rates, Psychiatric Hospital Bed Numbers, and Unemployment Rates From 1999 to 2015: A Population-Based Study in Hong Kong

artículo científico publicado en 2018

Sustainability of treatment effect of a 3-year early intervention programme for first-episode psychosis

artículo científico publicado en 2017

Symptomatic remission and cognitive impairment in first-episode schizophrenia: a prospective 3-year follow-up study.

artículo científico publicado en 2013

Systematic review (meta-aggregation) of qualitative studies on the experiences of family members caring for individuals with early psychosis

scientific article published on 01 August 2019

Ten-year employment patterns of patients with first-episode schizophrenia-spectrum disorders: comparison of early intervention and standard care services

scientific article published on 09 July 2019

Ten-year follow up of patients with first-episode schizophrenia spectrum disorder from an early intervention service: Predictors of clinical remission and functional recovery

artículo científico publicado en 2018

The Effect of Paternal Age on Relapse in First-Episode Schizophrenia

artículo científico publicado en 2015

The Hong Kong mental morbidity survey: background and study design

artículo científico publicado en 2014

The Psychiatry Major: A Curricular Innovation to Improve Undergraduate Psychiatry Education in China.

artículo científico publicado en 2017

The concurrent and predictive validity of symptomatic remission criteria in first-episode schizophrenia ⬇️

artículo científico publicado el 11 de noviembre de 2012

The effect of media reporting of a homicide committed by a patient with schizophrenia on the public stigma and knowledge of psychosis among the general population of Hong Kong

scientific article published on 12 October 2018

The relationships of suicidal ideation with symptoms, neurocognitive function, and psychological factors in patients with first-episode psychosis.

artículo científico publicado en 2014

The role of symptoms and insight in mediating cognition and functioning in first episode psychosis

scientific article published on 16 November 2018

Three-year clinical and functional outcome comparison between first-episode mania with psychotic features and first-episode schizophrenia

artículo científico publicado en 2016

Validation of the Chinese Version of the Revised Clinical Interview Schedule: Findings from Hong Kong Mental Morbidity Survey

artículo científico publicado en 2017

Verbal working memory in schizophrenia: The role of syntax in facilitating serial recall.

artículo científico

Visual working memory deterioration preceding relapse in psychosis

artículo científico publicado en 2016

Web-Based Psychoeducation Program for Caregivers of First-Episode of Psychosis: An Experience of Chinese Population in Hong Kong

artículo científico publicado en 2016

Yoga reduces the brain's amplitude of low-frequency fluctuations in patients with early psychosis results of a randomized controlled trial

artículo científico publicado en 2016

Lista de obras de

10-year outcome study of an early intervention program for psychosis compared with standard care service.

A 3-year retrospective cohort study of predictors of relapse in first-episode psychosis in Hong Kong

A Low-Intensity Mindfulness-Based Intervention for Mood Symptoms in People with Early Psychosis: Development and Pilot Evaluation.

A population study of public stigma about psychosis and its contributing factors among Chinese population in Hong Kong.

A systematic review of clinical guidelines on choice, dose, and duration of antipsychotics treatment in first- and multi-episode schizophrenia

A systematic review of long-term outcomes of patients with psychosis who received early intervention services

A systematic review on definitions and assessments of psychotic-like experiences.

Aerobic exercise and yoga improve neurocognitive function in women with early psychosis

Antipsychotic Treatment of Young Chinese Individuals From 2004 to 2015: A Population-Based Study in Hong Kong.

Association Between Acute Neuropsychiatric Events and Helicobacter pylori Therapy Containing Clarithromycin.

Association of an Early Intervention Service for Psychosis With Suicide Rate Among Patients With First-Episode Schizophrenia-Spectrum Disorders

Chinese label for people at risk for psychosis.

Clinical and cognitive correlates of insight in first-episode schizophrenia.

Clinical and cognitive predictors of vocational outcome in first-episode schizophrenia: a prospective 3 year follow-up study.

Clinical and functional correlates of financially deprived women with first-episode psychosis.

Clinical and social correlates of duration of untreated psychosis among adult-onset psychosis in Hong Kong Chinese: the JCEP study.

Clinical and treatment-related determinants of subjective quality of life in patients with first-episode psychosis

Cognitive and affective perspectives on formation and maintenance of grandiose delusions of a patient with schizophrenia

Comparing illness presentation, treatment and functioning between patients with adolescent- and adult-onset psychosis.

Comparison of cognitive functions between first-episode schizophrenia patients, their unaffected siblings and individuals at clinical high-risk for psychosis

Correlates of insight with symptomatology and executive function in patients with first-episode schizophrenia-spectrum disorder: a longitudinal perspective

Coupling physical exercise with dietary glucose supplement for treating cognitive impairment in schizophrenia: a theoretical model and future directions

Delusional disorder and schizophrenia: a comparison of the neurocognitive and clinical characteristics in first-episode patients

Demographic correlates of medication knowledge in Hong Kong early psychosis patients

Depression and post-traumatic stress during major social unrest in Hong Kong: a 10-year prospective cohort study

Destigmatizing psychosis: Investigating the effectiveness of a school-based programme in Hong Kong secondary school students

Developments in early intervention for psychosis in Hong Kong

Differential cortical thinning of auditory cortex in first episode schizophrenia: Association with auditory verbal hallucinations

Duration of untreated psychosis: Relationship with baseline characteristics and three-year outcome in first-episode psychosis

Early intervention and evaluation for adult-onset psychosis: the JCEP study rationale and design.

Early intervention for incipient insanity: early notions from the 19(th) century English literature.

Early intervention for psychotic disorders: Real-life implementation in Hong Kong.

Early-Stage Negative Symptom Trajectories and Relationships With 13-Year Outcomes in First-Episode Nonaffective Psychosis

Effect of brief social contact video compared with expert information video in changing knowledge and attitude towards psychosis patients among medical students

Efficacy of transcranial direct current stimulation (tDCS) as a treatment for persistent hallucinations in patients with schizophrenia: A systematic review and meta-analysis

Effort-based decision-making impairment in patients with clinically-stabilized first-episode psychosis and its relationship with amotivation and psychosocial functioning

Elucidating the relationship between internalized stigma, cognitive insight, illness severity, and functioning in patients with schizophrenia using a path analysis approach

Examining gender difference in adult-onset psychosis in Hong Kong

Executive dysfunctions differentially predict amotivation in first-episode schizophrenia-spectrum disorder: a prospective 1-year follow-up study

Executive function as predictors of persistent thought disorder in first-episode schizophrenia: a one-year follow-up study

Factors Associated With Successful Medication Discontinuation After a Randomized Clinical Trial of Relapse Prevention in First-Episode Psychosis: A 10-Year Follow-up.

Gender differences in correlates of cognition in first-episode psychosis

Gender differences in patients presenting with first-episode psychosis in Hong Kong: a three-year follow up study.

Gender effect on public stigma changes towards psychosis in the Hong Kong Chinese population: a comparison between population surveys of 2009 and 2014.

Impact of avolition and cognitive impairment on functional outcome in first-episode schizophrenia-spectrum disorder: a prospective one-year follow-up study.

Impact of physical activity on functioning of patients with first-episode psychosis — A 6months prospective longitudinal study

Impacts of duration of untreated psychosis on cognition and negative symptoms in first-episode schizophrenia: a 3-year prospective follow-up study.

Incidence of hospitalization and its associated factors in first-episode psychosis in Hong Kong

Inter-relationships among psychopathology, premorbid adjustment, cognition and psychosocial functioning in first-episode psychosis: a network analysis approach

Late-onset psychosis and very-late-onset-schizophrenia-like-psychosis: an updated systematic review

Letter to the Editor: Comparing delusional disorder and schizophrenia: a comment on Hui et al. (2015)-–a reply

Letter to the Editor: Comparison of cognitive functions, pre-morbid conditions and clinical characteristics between brief psychotic disorder and schizophrenia

Lifetime Prevalence and Correlates of Schizophrenia-Spectrum, Affective, and Other Non-affective Psychotic Disorders in the Chinese Adult Population

Long term effect of early intervention service on duration of untreated psychosis in youth and adult population in Hong Kong.

Long-term effects of discontinuation from antipsychotic maintenance following first-episode schizophrenia and related disorders: a 10 year follow-up of a randomised, double-blind trial.

Longitudinal changes in semantic categorization performance after symptomatic remission from first-episode psychosis: A 3-year follow-up study ⬇️

Medication adherence, knowledge about psychosis, and insight among patients with a schizophrenia-spectrum disorder.

Metabolic screening for patients with second-generation antipsychotic medication: A population-based study from 2004 to 2016

Mild Reinforcement Learning Deficits in Patients With First-Episode Psychosis.

Mortality in patients with schizophrenia admitted for incident ischemic stroke: A population-based cohort study

Mortality, Revascularization, and Cardioprotective Pharmacotherapy After Acute Coronary Syndrome in Patients With Psychotic Disorders: A Population-Based Cohort Study

Motivational impairment predicts functional remission in first-episode psychosis: 3-Year follow-up of the randomized controlled trial on extended early intervention.

Negative symptom dimensions differentially impact on functioning in individuals at-risk for psychosis

Newspaper coverage of mental illness in Hong Kong between 2002 and 2012: impact of introduction of a new Chinese name of psychosis.

Objective and subjective cognitive functioning in relation to psychopathology among women with early psychosis

Optimal duration of an early intervention programme for first-episode psychosis: randomised controlled trial.

Patterns and predictors of trajectories for social and occupational functioning in patients presenting with first-episode non-affective psychosis: A three-year follow-up study.

Perceived risk of relapse and role of medication: comparison between patients with psychosis and their caregivers.

Perception towards relapse and its predictors in psychosis patients: A qualitative study

Persistent negative symptoms in first-episode schizophrenia: a prospective three-year follow-up study.

Predicting 1-year risk for relapse in patients who have discontinued or continued quetiapine after remission from first-episode psychosis.

Predicting first-episode psychosis patients who will never relapse over 10 years

Prediction of functional remission in first-episode psychosis: 12-month follow-up of the randomized-controlled trial on extended early intervention in Hong Kong.

Prediction of motivational impairment: 12-month follow-up of the randomized-controlled trial on extended early intervention for first-episode psychosis.

Prediction of self-stigma in early psychosis: 3-Year follow-up of the randomized-controlled trial on extended early intervention

Predictors of functioning in people suffering from first-episode psychosis 1 year into entering early intervention service in Hong Kong.

Predictors of help-seeking duration in adult-onset psychosis in Hong Kong.

Premorbid, clinical and cognitive correlates of primary negative symptoms in first-episode psychosis.

Prevalence and predictors of medication non-adherence among Chinese patients with first-episode psychosis.