1. Department of Preventive Medicine; College of Medicine; The Catholic University of Korea; Seoul Korea
2. Department of Psychiatry; Uijeongbu St. Mary's Hospital; College of Medicine; The Catholic University of Medicine; Seoul Korea
3. Lee Hyung Cho Psychological Counseling Center; Seoul Korea
4. Department of Psychiatry; SMG-SNU Boramae Medical Center; Seoul Korea
5. Kyeonggi Provincial Mental Health Center; Kyeonggi-Do Korea