Affiliation: | 1. Department of Neurology, West China Hospital, Sichuan University, , Chengdu, Sichuan Province, China;2. Department of Internal Medicine, Wangjiang Hospital, Sichuan University, , Chengdu, Sichuan Province, China;3. Duke–NUS Graduate Medical School, , Singapore, Singapore;4. Department of Neurology, Singapore General Hospital, National Neuroscience Institute, , Singapore, Singapore |