1. Department of Psychiatry, College of Medicine, The Catholic University of Korea, Seoul, Korea
2. Department of Psychiatry, Cancer Center, Dongnam Institute of Radiological & Medical Sciences, Busan, Korea
3. Department of Psychiatry, Wonkwang University Hospital, Wonkwang University School of Medicine, Iksan, Korea
4. Department of Psychiatry, National Forensic Hospital, Gongju, Korea
5. Department of Psychiatry, Jeju National University School of Medicine, Jeju, Korea
6. Department of Psychiatry, Catholic University of Daegu School of Medicine, Daegu, Korea
7. Department of Psychiatry, Kyungpook National University Hospital, Kyungpook National University College of Medicine, Daegu, Korea
8. Department of Psychiatry, Hallym University College of Medicine, Anyang, Korea