[1] Catholic Kwandong Univ, Coll Med, Int St Marys Hosp, Dept Psychiat, 25 Simgok Ro 100gil, Incheon 22711, South Korea
[2] Yonsei Univ Hlth Syst, Gangnam Severance Hosp, Dept Psychiat, Seoul, South Korea
[3] Yonsei Univ, Dept Psychiat, Coll Med, Seoul, South Korea
[4] Yonsei Univ, Inst Behav Sci Med, Coll Med, Seoul, South Korea
[5] Natl Ctr Mental Hlth, Dept Educ, Seoul, South Korea