1. Department of Psychiatry, Kangwon National University Hospital, Chuncheon, Korea
2. Department of Psychiatry, Kangwon National University School of Medicine, Chuncheon, Korea
3. College of Pharmacy, Kangwon National University, Chuncheon, Korea
4. Biomedical Research Institute, Kangwon National University Hospital, Chuncheon, Korea
5. Department of Neurology, Kangwon National University Hospital, Chuncheon, Korea
6. Department of Neurology, Kangwon National University School of Medicine, Chuncheon, Korea
7. Department of Neuropsychiatry, Seoul National University Bundang Hospital, Seongnam, Korea
8. Department of Psychiatry, Yonsei University Wonju Severance Christian Hospital, Wonju, Korea
9. Department of Psychiatry, Dongguk University Gyeonju Hospital, Gyeongju, Korea
10. Department of Psychiatry, Gyeongsang National University School of Medicine, Jinju, Korea
11. Department of Neuropsychiatry, Soonchunhyang University Bucheon Hospital, Bucheon, Korea
12. Department of Psychiatry, School of Medicine, Chungnam National University, Daejeon, Korea
13. Department of Psychiatry, Konkuk University Chungju Hospital, School of Medicine, Konkuk University, Chungju, Korea
14. Department of Neuropsychiatry, Jeju National University Hospital, Jeju, Korea
15. Department of Neuropsychiatry, Konkuk University Hospital, Seoul, Korea
16. Department of Neuropsychiatry, Kyunggi Provincial Hospital for the Elderly, Yongin, Korea
17. Department of Neuropsychiatry, Inje University Sanggye Paik Hospital, Seoul, Korea
18. Department of Psychiatry, Dankook University Hospital, Cheonan, Korea
19. Department of Neuropsychiatry, Seoul National University Hospital, Seoul, Korea
20. Department of Psychiatry, Seoul National University College of Medicine, Seoul, Korea
21. Department of Brain and Cognitive Science, Seoul National University College of Natural Sciences, Seoul, Korea