About the Authors

Wei Xin

Affiliation First Department of Geriatric Cardiovascular Medicine, Chinese PLA General Hospital, Beijing, China

Zhiqin Lin

Affiliation Department of Cardiovascular Medicine, Affiliated Hospital of Guiyang Medical College, Guizhou, China

Xiaoying Li

lixy301@163.com

Affiliation First Department of Geriatric Cardiovascular Medicine, Chinese PLA General Hospital, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WX ZL XL. Performed the experiments: WX ZL XL. Analyzed the data: WX ZL. Contributed reagents/materials/analysis tools: WX ZL XL. Wrote the paper: WX ZL XL.