1. Department of Radiology, Division of Neuroradiology, Taichung Veterans General Hospital, Taichung 40705, Taiwan
2. School of Medicine, National Yang-Ming Chiao Tung University, Taipei 112304, Taiwan
3. Department of Neurology, Neurological Institute, Taichung Veterans General Hospital, Taichung 40705, Taiwan
4. Dementia and Parkinson’s Disease Integrated Center, Taichung Veterans General Hospital, Taichung 40705, Taiwan
5. Center for Geriatrics and Gerontology, Taichung Veterans General Hospital, Taichung 40705, Taiwan