1. Department of Neurology, Incheon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Incheon, Korea.
2. Department of Psychiatry, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea.
3. Department of Neurology, Ewha Womans University Mokdong Hospital, Ewha Womans University College of Medicine, Seoul, Korea.
4. Department of Neurology, Jeonbuk National University Hospital, Jeonbuk National University College of Medicine, Jeonju, Korea.
5. Department of Neurology, Kangwon National University Hospital, Kangwon National University College of Medicine, Chuncheon, Korea.
6. Department of Neurology, Hanyang University Hospital, College of Medicine, Hanyang University, Seoul, Korea.
7. Department of Neurology, College of Medicine, Gachon University Gil Medical Center, Incheon, Korea.
8. Department of Neurology, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea.
9. Department of Psychiatry, Kangwon National University Hospital, Kangwon National University College of Medicine, Chuncheon, Korea.
10. Department of Neurology, National Medical Center, Seoul, Korea.
11. Dr Shin’s Neurology Clinic, Wonju, Korea.
12. Department of Neurology, Eunpyeong St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea.
13. Department of Neurology, Soonchunhyang University Cheonan Hospital, Soonchunhyang University School of Medicine, Cheonan, Korea.
14. Department of Psychiatry, St. Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Suwon, Korea.
15. Department of Neurology, Kyung Hee University Hospital, Kyung Hee University College of Medicine, Seoul, Korea.
16. Department of Psychiatry, Yeouido St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea.
17. Department of Neurology, Konyang University Hospital, Konyang University College of Medicine, Daejeon, Korea.
18. Department of Nuclear Medicine, Ewha Womans University College of Medicine, Seoul, Korea.
19. Department of Neurology, Ajou University Hospital, Ajou University School of Medicine, Suwon, Korea.
20. Department of Neurology, Chungnam National University Hospital, Chungnam National University School of Medicine, Daejeon, Korea.
21. Department of Neurology, Kyung Hee University Hospital at Gangdong, Kyung Hee University College of Medicine, Seoul, Korea.
22. Department of Neurology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
23. Department of Neurology, Myungji Hospital, Goyang, Korea.
24. Department of Neurology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
25. Department of Neurology, Uijeongbu St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Uijeongbu, Korea.
26. Department of Neurology, Seoul National University Hospital, Seoul, Korea.
27. Department of Nuclear Medicine, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea.
28. Division of Healthcare Technology Assessment Research, National Evidence-based Healthcare Collaborating Agency, Seoul, Korea.