1. Department of Psychiatry, Konkuk University School of Medicine, Cheongju, Korea
2. Department of Psychiatry, College of Medicine, The Catholic University of Korea, Seoul, Korea
3. Department of Psychiatry, Ilsan Paik Hospital, Inje University College of Medicine, Goyang, Korea
4. Department of Psychiatry, Seoul Paik Hospital, Inje University College of Medicine, Seoul, Korea
5. Korea/Stress Research Institute, Inje University, Seoul, Korea
6. Department of Psychiatry, Soonchunhyang University Cheonan Hospital, Soonchunhyang University College of Medicine, Cheonan, Korea
7. Department of Psychiatry, Inje University Haeundae Paik Hospital, Inje University College of Medicine, Busan, Korea
8. Paik Institute for Clinical Research, Department of Health Science and Technology, Graduate School of Inje University, Busan, Korea
9. Department of Psychiatry, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, Anyang, Korea
10. Department of Psychiatry, Chung-Ang University College of Medicine, Seoul, Korea