1. Department of Psychiatry, College of Medicine, Dankook University, Cheonan-si, Chungcheongnam, Korea.
2. Institute of Forensic Psychiatry, Ministry of Justice, Gongju-si, Chungcheongnam, Korea.
3. Department of Pediatrics, College of Medicine, Dankook University, Cheonan-si, Chungcheongnam, Korea.