1. Center for Neuropsychiatric Research, National Health Research Institutes, Miaoli, Taiwan.
2. Center for Drug Abuse and Addiction, China Medical University Hospital, Taichung, Taiwan.
3. Graduate Institute of Clinical Medical Science, China Medical University, Taichung, Taiwan.
4. Division of Biostatistics and Bioinformatics, National Health Research Institutes, Miaoli, Taiwan.
5. Division of Clinical Trial Statistics, Institute of Population Health Sciences, National Health Research Institutes, Miaoli, Taiwan.
6. Department of Psychiatry, Tao-yuan Psychiatric Center, Taoyuan, Taiwan.
7. Department of Psychiatry, En-Chu-Kong Hospital, New Taipei, Taiwan.
8. Department of Psychiatry, Far-Eastern Memorial Hospital, New Taipei, Taiwan.
9. Department of Addiction Science, Taipei City Hospital Song-De Branch, Taipei, Taiwan.
10. College of Medicine, China Medical University, Taichung, Taiwan.
11. Department of Psychiatry, Taipei City Hospital Yang-Ming Branch, Taipei, Taiwan.
12. Department of Psychiatry, Wei-Gong Memorial Hospital, Miaoli, Taiwan.
13. Department of Psychiatry, College of Physicians and Surgeons, Columbia University, New York, New York.
14. Department of Psychiatry, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan.