About the Authors

Jiajie Zang

Contributed equally to this work with: Jiajie Zang, Shunquan Wu, Lei Tang

Affiliation Department of Health Statistics and Center of Evidence-based Medicine, Second Military Medical University, Shanghai, China

Shunquan Wu

Contributed equally to this work with: Jiajie Zang, Shunquan Wu, Lei Tang

Affiliation Department of Health Statistics and Center of Evidence-based Medicine, Second Military Medical University, Shanghai, China

Lei Tang

Contributed equally to this work with: Jiajie Zang, Shunquan Wu, Lei Tang

Affiliation Department of Health Statistics and Center of Evidence-based Medicine, Second Military Medical University, Shanghai, China

Xudong Xu

Affiliation Cardiology Department, Changhai Hospital, Second Military Medical University, Shanghai, China

Jie Bai

Affiliation Department of Geriatrics, Changhai Hospital, Second Military Medical University, Shanghai, China

Caicui Ding

Affiliation Library of First Hospital, Peking University, Beijing, China

Yue Chang

Affiliation Department of Endocrinology, Changhai Hospital, Second Military Medical University, Shanghai, China

Long Yue

Affiliation Department of Endocrinology, Changhai Hospital, Second Military Medical University, Shanghai, China

Enming Kang

Affiliation Department of Endocrinology, Changhai Hospital, Second Military Medical University, Shanghai, China

Jia He

hejia63@yahoo.com

Affiliation Department of Health Statistics and Center of Evidence-based Medicine, Second Military Medical University, Shanghai, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JH JZ SW. Performed the experiments: JZ SW CD. Analyzed the data: YC LY EK. Contributed reagents/materials/analysis tools: YC LY LT. Wrote the paper: JZ SW XX JB LT.