1. Department of Neurology, Myongji Hospital, Kwandong University College of Medicine, Goyang, Korea.
2. Department of Psychiatry, Bucheon Hospital, Soonchunhyang University College of Medicine, Bucheon, Korea.
3. Department of Psychiatry, Boramae Hospital, Seoul National University College of Medicine, Seoul, Korea.
4. Department of Neurology, Gil Hospital, Gachon University of Medicine and Science, Incheon, Korea.
5. Department of Neurology, Kangdong Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Korea.
6. Department of Neurology, Ilsan Hospital, Dongguk University School of Medicine, Goyang, Korea.
7. Department of Neurology, Chung-Ang University College of Medicine, Seoul, Korea.
8. Department of Psychiatry, Busan National University School of Medicine, Busan, Korea.
9. Department of Psychiatry, Ajou University School of Medicine, Suwon, Korea.
10. Department of Neurology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
11. Department of Psychiatry, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
12. Department of Social and Preventive Medicine, Sungkyunkwan University College of Medicine, Suwon, Korea.
13. Department of Psychiatry, Samsung Medical Center, Sungkyunkwan University College of Medicine, Seoul, Korea.
14. Department of Neurology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
15. Department of Neurology, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea.
16. Department of Psychiatry, Kangdong Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Korea.
17. Department of Family Medicine, Kangdong Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Korea.
18. Department of Neurology, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Korea.