1. Department of Psychiatry, National Medical Center, Seoul,
South Korea
2. Department of Psychiatry, Seoul National University Bundang Hospital, Seongnam, South Korea
3. Department of Psychiatry, Seoul Medical Center, Seoul, South Korea
4. Seoul National University College of Medicine, Seoul, South Korea
5. Department of Orthopedic Surgery, Seoul National University Hospital, Seoul, South Korea
6. Department of Psychiatry, Seoul National University Hospital, Seoul National University College of Medicine, Seongnam,
South Korea
7. Department of Psychiatry, Seoul National University College of Medicine, Seoul, South Korea
8. Department of Internal Medicine, Seoul National University Hospital, Seoul National University College of Medicine, Seongnam, South Korea