1. Department of Psychiatry, The Catholic University of Korea College of Medicine, Seoul, Republic of Korea.
2. Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Duram, NC, USA.
3. Department of Neuropsychiatry, College of Medicine, Hallym University, Seoul, Republic of Korea.
4. Department of Psychiatry, Yonsei University College of Medicine, Seoul, Republic of Korea.
5. Department of Psychiatry, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea.
6. Department of Psychiatry, Kyunghee University College of Medicine, Seoul, Republic of Korea.
7. Department of Neuropsychiatry, School of Medicine, Dongguk University, Gyeongju, Republic of Korea.
8. Department of Psychiatry, College of Medicine, Korea University, Seoul, Republic of Korea.