1. Department of Addiction Psychiatry, Taoyuan Psychiatric Center, Republic of China Ministry of Health and Welfare, Master of Public Health, Taoyuan City 330, Taiwan.
2. Department of General Psychiatry, Taoyuan Psychiatric Center, Republic of China Ministry of Health and Welfare, Taoyuan City 330, Taiwan.
3. Department of Psychology, Chung Yuan Christian University, Chung-Li, Taiwan.