1. Department of Psychiatry, Haeundae Paik Hospital, Inje University College of Medicine Busan, Korea
2. National Evidence-based Healthcare Collaborating Agency, Seoul, Korea
3. Department of Psychiatry, Gongju National Hospital, Gongju, Korea
4. Department of Psychiatry, School of Medicine, Kyungpook National University, Daegu, Korea
5. Department of Psychiatry, Chonbuk National University Hospital, Jeonju, Korea
6. Department of Psychiatry, Chonnam National University Medical School, Gwangju, Korea
7. Department of Psychiatry, Hallym University Chuncheon Sacred Hospital, Hallym University College of Medicine, Chuncheon, Korea
8. Department of Psychiatry, Inje University Ilsan Paik Hospital, Goyang, Korea