1. Department of Psychiatry, Chonnam National University Medical School, Gwangju, Korea
2. Department of Internal Medicine, Chonnam National University Hwasun Hospital, Chonnam National University Medical School, Hwasun, Korea
3. Department of Surgery, Chonnam National University Medical School and Hospital, Gwangju, Korea
4. Department of Emergency Medicine, Chonnam National University Medical School, Gwangju, Korea
5. Department of Cardiology, Chonnam National University Medical School, Gwangju, Korea