1. Department of Psychiatry, Korea University College of Medicine, Seoul, Korea
2. National Center of Mental Health, Seoul, Korea
3. Department of Psychiatry, Inje University College of Medicine, Haeundae Paik Hospital, Busan, Korea
4. Department of Psychiatry, Chungnam National University College of Medicine, Chungnam National University Hospital, Daejeon, Korea
5. Department of Psychiatry, Sungkyunkwan University School of Medicine, Kangbuk Samsung Hospital, Seoul, Korea
6. Department of Psychiatry, Chung-Ang University College of Medicine, Seoul, Korea
7. Department of Psychiatry, Uijeongbu St. Mary’s Hospital, The Catholic University of Korea College of Medicine, Uijeongbu, Korea