1. Department of Psychiatry; Far Eastern Memorial Hospital; New Taipei City Taiwan
2. Graduate Institute of Epidemiology and Preventive Medicine; College of Public Health; National Taiwan University; Taipei Taiwan
3. Center for Neuropsychiatric Research; National Health Research Institutes; Miaoli Taiwan
4. Centre for Addiction and Mental Health; Toronto ON Canada
5. Department of Psychiatry; University of Toronto; Toronto ON Canada