1. Aging and Health Research Center, National Yang Ming University, Taipei, Taiwan
2. Center for Geriatrics and Gerontology, National Yang Ming University, Taipei, Taiwan
3. Brain Research Center, National Yang Ming University, Taipei, Taiwan
4. Institute of Neuroscience, National Yang Ming University, Taipei, Taiwan
5. Department of Biomedical Imaging and Radiological Sciences, National Yang Ming University, Taipei, Taiwan
6. Institute of Public Health, National Yang Ming University, Taipei, Taiwan
7. Department of Family Medicine, Taipei Veterans General Hospital, Yuanshan Branch, Yilan, Taiwan
8. Department of Neurology, School of Medicine, National Yang Ming University, Taipei, Taiwan
9. Department of Neurology, Taipei Veterans General Hospital, Taipei, Taiwan