1. Department of Geriatric Neurology, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, 650032, China
2. Institute of sports science, Sichuan University, No. 24 South Section 1, Yihuan Road, Chengdu, Sichuan Province, 610065, China
3. Department of Periodical Press and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China