1. Department of Neurology, Daejeon St. Mary's Hospital, College of MedicineThe Catholic University of Korea Seoul Republic of Korea
2. Department of Neurology, Seoul St. Mary's Hospital, College of MedicineThe Catholic University of Korea Seoul Republic of Korea
3. Department of Neurology, Ulsan University HospitalUniversity of Ulsan College of Medicine Ulsan Republic of Korea
4. Department of Neurology, Seoul National University Bundang HospitalSeoul National University College of Medicine Seongnam Republic of Korea
5. Department of Neurology, Cognitive Disorders and Dementia CenterDong‐A University College of Medicine and Institute of Convergence Bio‐Health Busan Republic of Korea
6. Department of NeurologyGachon University Gil Hospital Incheon Republic of Korea
7. Department of NeurologyChung‐Ang University Hospital Seoul Republic of Korea
8. Department of PsychiatryInje University Sanggye Paik Hospital Seoul Republic of Korea
9. Department of Psychiatry, Seoul Metropolitan Government‐Seoul National University Boramae Medical CenterSeoul National University College of Medicine Seoul Republic of Korea
10. Department of NeurologyNational Health Insurance Service Ilsan Hospital Goyang‐si Republic of Korea
11. Department of Neurology, Ewha Woman's University Mokdong HospitalEwha Woman's University School of Medicine Seoul Republic of Korea
12. Department of NeurologyInha University School of Medicine Incheon Republic of Korea
13. Department of NeurologyMyongji Hospital Goyang Republic of Korea
14. Department of Neurology, Incheon St. Mary's Hospital, College of MedicineThe Catholic University of Korea Incheon Republic of Korea
15. Department of Biostatistics, Clinical Research Coordinating Center, Catholic Medical Center, College of MedicineThe Catholic University of Korea Seoul Republic of Korea
16. Department of Preventive Medicine, College of MedicineThe Catholic University of Korea Seoul Republic of Korea