1. Department of Psychiatric Rehabilitation, Bugok National Hospital, Changnyung, Republic of Korea.
2. Department of Psychiatry, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea.
3. Psychiatry Neuroimaging Laboratory, Brigham and Women's Hospital, Boston, USA.
4. Department of Psychiatry, Kyungpook National University School of Medicine, Deagu, Republic of Korea.
5. Department of Psychiatry, Seoul National Hospital, Seoul, Republic of Korea.
6. Department of Neuropsychiatry, Seoul National University Bundang Hospital, Seongnam, Republic of Korea.