About the Authors

Lu Wei

Affiliation Department of Geriatrics, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China

Xiaoshuang Ye

Affiliation Department of Geriatrics, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China

Xiaohua Pei

Affiliation Department of Geriatrics, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China

Jianqing Wu

Affiliation Department of Geriatrics, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China

Weihong Zhao

zhaoweihong_1@medmail.com.cn

Affiliation Department of Geriatrics, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LW XHP WHZ JQW. Performed the experiments: LW XSY. Analyzed the data: LW. Wrote the paper: LW WHZ.