1. Department of Psychiatry, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Korea.
2. Department of Pediatrics, Kangdong Miz Women's Hospital, Seoul, Korea.
3. Department of Pediatric Neurology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
4. Department of Psychiatry, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.