About the Authors
- Wei Xin
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Affiliation First Department of Geriatric Cardiology, Chinese PLA General Hospital, Beijing, PR China
- Wei Wei
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Affiliation Medical College of Nankai University, Tianjin, PR China
- Xiaoying Li
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* E-mail: lixy301@163.com
Affiliation First Department of Geriatric Cardiology, Chinese PLA General Hospital, Beijing, PR China
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: WX WW XL. Performed the experiments: WX WW. Analyzed the data: WX WW. Contributed reagents/materials/analysis tools: WX WW XL. Wrote the paper: WX WW XL.