1. Department of Psychiatry, Kyung Hee University School of Medicine, Seoul, Korea
2. Department of Life Sciences, Ewha Womans University, Seoul, Korea
3. Department of Psychiatry, Dankook University Medical College, Chungnam, Korea
4. Kyung Hee University School of Medicine, Seoul, Korea
5. Department of Neuropsychiatry, Seoul National University Bundang Hospital, Seongnam, Korea
6. Department of Pharmacology, Konkuk University School of Medicine, Seoul, Korea
7. Department of Psychiatry, Yonsei University College of Medicine, Seoul, Korea