1. Seoul National University Bundang Hospital, Systems Biomedical Informatics National Core Research Center, Center for the Korean Longitudinal Study on Congitive Aging and Dementia Seongnam‐si Gyeonggi‐do South Korea
2. Jeju National Universtiy School of Medicine & Jeju National University Hospital Jeju South Korea
3. Kyungbook National University Hospital Daegu South Korea
4. Kangwon National University Chuncheon South Korea
5. Kyunsang University Jinju South Korea
6. Choongnam University Hospital Daejeon South Korea
7. Soonchunhyang University Bucheon hospital Bucheon‐si South Korea
8. Gyeonggi Provincial Hospital for the Elderly Yongin South Korea
9. Konkuk University Hospital Seoul South Korea
10. Seoul National University Seoul South Korea
11. Dongguk Medical Center Gyeongju South Korea
12. Inje University Sanggye Paik Hospital Seoul South Korea
13. Dankook University Hospital Cheonan South Korea
14. Dept. of Psychiatry Konkuk Univ. Chungju Hospital Chungju‐si South Korea
15. Chungnam National University Hospital Daejeon South Korea
16. Seoul National University Bundang Hospital, Systems Biomedical Informatics National Core Research Center, Center for the Korean Longitudinal Study on Congitive Aging and Dementia Seongnam South Korea
17. Seoul National University Bundang Hospital, Systems Biomedical Informatics National Core Research Center, Center for the Korean Longitudinal Study on Congitive Aging and Dementia Seongnam‐si South Korea
18. Department of Psychiatry Korea University Guro Hospital, Korea University College of Medicine Seoul South Korea
19. Seoul National University Bundang Hospital, Systems Biomedical Informatics National Core Research Center, Center for the Korean Longitudinal Study on Congitive Aging and Dementia Seongnamsi South Korea