About the Authors

Yan-yan Li

Department of Geriatrics, First Affiliated Hospital of Nanjing Medical University, Nanjing, China

Chuan-wei Zhou

Department of Geriatrics, First Affiliated Hospital of Nanjing Medical University, Nanjing, China

Xiang-ming Wang

Department of Geriatrics, First Affiliated Hospital of Nanjing Medical University, Nanjing, China

Corresponding Author

Email: lyynjmu123@126.com