1. Department of Psychiatry, College of Medicine, The Catholic University of Korea, Seoul, Korea
2. Department of Psychiatry, Inje University Haeundae Paik Hospital, Inje University College of Medicine and Paik Institute for Clinical Research, Busan, Korea
3. Department of Health Science and Technology, Graduate School of Inje University, Busan, Korea
4. Department of Psychiatry, Jeju National University Hospital, Jeju, Korea
5. Department of Psychiatry, Keyo Hospital, Keyo Medical Foundation, Uiwang, Korea
6. Department of Psychiatry, Soonchunhyang University Cheonan Hospital, Soonchunhyang University College of Medicine, Cheonan, Korea
7. Department of Psychiatry, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, Anyang, Korea
8. Department of Psychiatry, School of Medicine, Konkuk University, Chungju, Korea
9. Department of Psychiatry, Chung-Ang University College of Medicine, Seoul, Korea
10. Department of Psychiatry, Inje University Seoul Paik Hospital, Inje University College of Medicine, Seoul, Korea
11. Department of Psychiatry, Myongji Hospital, Goyang, Korea
12. Department of Psychiatry, Naju National Hospital, Naju, Korea