1. Beijing Geriatric Healthcare Center; Xuanwu Hospital; Capital Medical University; Beijing Institute of Geriatrics; Key Laboratory on Neurodegenerative Disease of Ministry of Education; Beijing Institute for Brain Disorders; Beijing China
2. Department of Geriatrics; Xuanwu Hospital; Capital Medical University; China National Clinical Research Center for Geriatric Medicine; Beijing China
3. Department of Neurology and Neurobiology; Xuanwu Hospital; Capital Medical University; Beijing China