About the Authors

Qin Xu

Contributed equally to this work with: Qin Xu, Xia Li

Affiliations Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, Beijing, China, Beijing Municipal Key Laboratory of Clinical Epidemiology, Beijing, China

Xia Li

Contributed equally to this work with: Qin Xu, Xia Li

Affiliations Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, Beijing, China, Beijing Municipal Key Laboratory of Clinical Epidemiology, Beijing, China, Graduate Entry Medical School, University of Limerick, Limerick, Ireland

Shuo Wang

Affiliation Beijing Chaoyang Hospital, Capital Medical University, Beijing, China

Chao Wang

Affiliations Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, Beijing, China, Beijing Municipal Key Laboratory of Clinical Epidemiology, Beijing, China

Fangfang Huang

Affiliations Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, Beijing, China, Beijing Municipal Key Laboratory of Clinical Epidemiology, Beijing, China

Qi Gao

Affiliations Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, Beijing, China, Beijing Municipal Key Laboratory of Clinical Epidemiology, Beijing, China

Lijuan Wu

Affiliations Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, Beijing, China, Beijing Municipal Key Laboratory of Clinical Epidemiology, Beijing, China

Lixin Tao

Affiliations Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, Beijing, China, Beijing Municipal Key Laboratory of Clinical Epidemiology, Beijing, China

Jin Guo

Affiliations Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, Beijing, China, Beijing Municipal Key Laboratory of Clinical Epidemiology, Beijing, China

Wei Wang

statguo@ccmu.edu.cn (XG); wei.wang@ecu.edu.au (WW)

Affiliations Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, Beijing, China, Beijing Municipal Key Laboratory of Clinical Epidemiology, Beijing, China, School of Medical Sciences, Edith Cowan University, Perth, WA, Australia

Xiuhua Guo

statguo@ccmu.edu.cn (XG); wei.wang@ecu.edu.au (WW)

Affiliations Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, Beijing, China, Beijing Municipal Key Laboratory of Clinical Epidemiology, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: XG WW. Performed the experiments: QX XL WW XG. Analyzed the data: QX XL. Contributed reagents/materials/analysis tools: QX XL SW CW FH QG LW LT JG. Wrote the paper: QX XL SW CW FH QG LW LT JG WW XG.