1. Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan Province, China
Xiangya
2. Xiangya School of Medicine, Central South University, Changsha, Hunan province, China
3. National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan province, China
4. Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan Province, China