1. Department of Psychiatry, Inje University College of Medicine and Haeundae Paik Hospital, Busan, Republic of Korea
2. Department of Psychiatry, Yong-In Mental Hospital, Yongin, Republic of Korea
3. Department of Psychiatry, Chonnam National University School of Medicine, Gwangju, Republic of Korea
4. Department of Psychiatry, College of Medicine, Catholic University of Korea, Seoul, Republic of Korea
5. Department of Psychiatry, College of Medicine, Korea University, Seoul, Republic of Korea
6. Department of Psychiatry, Keimyung University School of Medicine, Daegu, Republic of Korea
7. Department of Preventive Medicine, College of Medicine, Catholic University of Korea, Seoul, Republic of Korea
8. Department of Neuropsychiatry, Hanyang University Guri Hospital, Guri, Republic of Korea