About the Authors

Xiao-Ying Jiang

Affiliation Institute of Social Medicine and Family Medicine, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China

Hong-Mei Wang

rosa@zju.edu.cn

Affiliation Institute of Social Medicine and Family Medicine, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China

Todd C. Edwards

Affiliation Department of Health Services, University of Washington, Seattle, Washington, United States of America

Ying-Ping Chen

Affiliation Institute of Social Medicine and Family Medicine, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China

Yi-Ran Lv

Affiliation Institute of Social Medicine and Family Medicine, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China

Donald L. Patrick

Affiliation Department of Health Services, University of Washington, Seattle, Washington, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HMW DLP TCE. Performed the experiments: XYJ YPC YRL. Analyzed the data: XYJ YPC YRL. Contributed reagents/materials/analysis tools: HMW DLP TCE. Wrote the paper: XYJ HMW TCE YPC YRL DLP.