1. Department of Psychiatry, Seoul National Hospital, Seoul, Republic of Korea.
2. Yale University School of Medicine, New Haven, CT, USA.
3. Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA.
4. Department of Psychology, Sungkyunkwan University, Seoul, Republic of Korea.
5. Department of Psychiatry, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
6. Department of Psychiatry, Sungkyunkwan University School of Medicine, Samsung Medical Center, Seoul, Republic of Korea.