1. Department of Psychiatry, SMG-SNU Boramae Medical Center, Seoul, Korea.
2. Department of Neuropsychiatry, Seoul National University Hospital, Seoul, Korea.
3. The Division of Natural Medical Science, College of Health Service, Chosun University, Gwangju, Korea.
4. Department of Neuropsychiatry, College of Medicine, Hallym University Dongtan Sacred Heart Hospital, Hwaseong, Korea.
5. Department of Neuropsychiatry, College of Medicine, Soonchunhyang University Bucheon Hospital, Bucheon, Korea.
6. Department of Psychiatry, Kangwon National University School of Medicine, Chuncheon, Korea.
7. Interdisciplinary Program of Cognitive Science, Seoul National University, Seoul, Korea.
8. Neuroscience Research Institute of the Medical Research Center, Seoul National University, Seoul, Korea.