1 Department of Neurology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea.
2 Department of Neurology, Chonnam National University Hospital, Chonnam National University Medical School, Gwangju, South Korea.
3 Department of Health Sciences and Technology, SAIHST, Sungkyunkwan University, Seoul, South Korea.
4 Neuroscience Center, Samsung Medical Center, Seoul, South Korea.
5 Department of Neurology, Kangwon National University Hospital, Kangwon National University College of Medicine, Chuncheon, South Korea.
6 Department of Neurology, Inje University College of Medicine, Haeundae Paik Hospital, Busan, South Korea.
7 Department of Neurology, Gyeongsang National University School of Medicine and Gyeongsang National University Changwon Hospital, Changwon, South Korea.
8 Department of Neurology, Myoungji Hospital, Hanyang University, Goyangsi, South Korea.
9 Molecular Biophysics and Integrated Bioimaging, Lawrence Berkeley National Laboratory, Berkeley, CA, USA.
10 Internal Medicine - Gerontology and Geriatric Medicine, Wake Forest School of Medicine, Winston-Salem, NC, USA.
11 Stem Cell & Regenerative Medicine Institute, Samsung Medical Center, Seoul, South Korea.
12 Department of Neurology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea. ayl1815@gmail.com.
13 Neuroscience Center, Samsung Medical Center, Seoul, South Korea. ayl1815@gmail.com.
14 Department of Clinical Research Design & Evaluation, SAIHST, Sungkyunkwan University, Seoul, South Korea.
15 Samsung Alzheimer Research Center, Samsung Medical Center, Seoul, South Korea.
16 Center for Clinical Epidemiology, Samsung Medical Center, Seoul, South Korea.