1. 1 Department of Psychiatry, Taoyuan Armed Forced General Hospital, Taoyuan, Taiwan
2. 2 Department of Nursing, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung Medical University, Kaohsiung City, Taiwan
3. 3 Department of Psychiatry, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung City, Taiwan
4. 4 Department of Psychiatry, Kaohsiung Municipal Hsiao-Kang Hospital, Kaohsiung Medical University, Kaohsiung City, Taiwan
5. 5 Faculty of Medicine, Department of Psychiatry, College of Medicine, Kaohsiung Medical University, Kaohsiung City, Taiwan
6. 6 Department of Psychiatry, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung Medical University, Kaohsiung City, Taiwan