1. Department of Psychiatry, College of Medicine, Inha University, Incheon, Republic of Korea.
2. Department of Psychiatry, School of Medicine, Kyungpook National University, Daegu, Republic of Korea.
3. Department of Psychiatry, Gachon University of Medicine and Science, Incheon, Republic of Korea.
4. Department of Psychiatry and Behavioral Science, College of Medicine, Seoul National University, Seoul, Republic of Korea.
5. Department of Neuropsychiatry, Seoul Metropolitan Boramae Medical Center, Seoul, Republic of Korea.