Affiliation: | 1. Department of Psychiatry, Kangbuk Samsung Hospital, School of Medicine, Sungkyunkwan University, , Seoul, Korea;2. Department of Psychiatry, College of Medicine, Chung‐Ang University, , Seoul, Korea;3. Naju National Hospital, , Naju, Korea;4. Department of Psychiatry, College of Medicine, Inje University, , Seoul, Korea;5. Department of Psychiatry, College of Medicine, Hallym University, , Anyang, Korea;6. Department of Psychiatry, College of Medicine, Konkuk University, , Chungju, Korea;7. Department of Psychiatry, Yeouido St. Mary's Hospital, College of Medicine, The Catholic University of Korea, , Seoul, Korea;8. Department of Psychiatry, College of Medicine, Inje University, , Busan, Korea |