Corresponding Author

Clinical Trial Center, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Assessment of Clinical Drugs Risk and Individual Application Key Laboratory, Chinese Academy of Medical Sciences, Beijing, China

Corresponding Author:

Kexin Li, BS, Clinical Trial Center, Beijing Hospital, National Center of Gerontology; Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Assessment of Clinical Drugs Risk and Individual Application Key Laboratory, No. 1 Dahua Road, Dongdan Dongcheng District, Beijing 100005, China

(e-mail: kexinli6202@163.com)