About the Authors

Jinghui Yang

Affiliations Institute of Geriatrics, the General Hospital of the People's Liberation Army, Beijing, China, Beijing Key Lab of Aging and Geriatrics, the General Hospital of the People's Liberation Army, Beijing, China

Jianwei Liu

Affiliations Institute of Geriatrics, the General Hospital of the People's Liberation Army, Beijing, China, Beijing Key Lab of Aging and Geriatrics, the General Hospital of the People's Liberation Army, Beijing, China

Jing Liu

Affiliations Institute of Geriatrics, the General Hospital of the People's Liberation Army, Beijing, China, Beijing Key Lab of Aging and Geriatrics, the General Hospital of the People's Liberation Army, Beijing, China

Wenyuan Li

Affiliation Department of Epidemiology, Harvard School of Public Health, Boston, Massachusetts, United States of America

Xiaoying Li

Affiliations Institute of Geriatrics, the General Hospital of the People's Liberation Army, Beijing, China, Department of Geriatric Cardiology, the General Hospital of the People's Liberation Army, Beijing, China

Yao He

lye301@gmail.com (LY); yhe301@x263.net (YH)

Affiliations Institute of Geriatrics, the General Hospital of the People's Liberation Army, Beijing, China, Beijing Key Lab of Aging and Geriatrics, the General Hospital of the People's Liberation Army, Beijing, China

Ling Ye

lye301@gmail.com (LY); yhe301@x263.net (YH)

Affiliations Institute of Geriatrics, the General Hospital of the People's Liberation Army, Beijing, China, Beijing Key Lab of Aging and Geriatrics, the General Hospital of the People's Liberation Army, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: XYL LY YH. Performed the experiments: JWL JL. Analyzed the data: JHY WYL. Wrote the paper: JHY.