About the Authors

Linghan Shan

Contributed equally to this work with: Linghan Shan, Ye Li, Ding Ding

Affiliation Department of Social Medicine, School of Public Health, Harbin Medical University, Harbin, Heilongjiang Province, China

Ye Li

Contributed equally to this work with: Linghan Shan, Ye Li, Ding Ding

Affiliation Department of Health Policy and Hospital Management, School of Public Health, Harbin Medical University, Harbin, Heilongjiang Province, China

Ding Ding

Contributed equally to this work with: Linghan Shan, Ye Li, Ding Ding

Affiliation Department of Social Medicine, School of Public Health, Harbin Medical University, Harbin, Heilongjiang Province, China

Qunhong Wu

wuqunhong@163.com (QW); huolong1961@163.com (YZH)

Affiliation Department of Social Medicine, School of Public Health, Harbin Medical University, Harbin, Heilongjiang Province, China

Chaojie Liu

Affiliation School of Psychology and Public Health, La Trobe University, Melbourne, Australia

Mingli Jiao

Affiliation Department of Health Policy and Hospital Management, School of Public Health, Harbin Medical University, Harbin, Heilongjiang Province, China

Yanhua Hao

Affiliation Department of Social Medicine, School of Public Health, Harbin Medical University, Harbin, Heilongjiang Province, China

Yuzhen Han

wuqunhong@163.com (QW); huolong1961@163.com (YZH)

Affiliation The Forth Affiliated Hospital of Harbin Medical University

Lijun Gao

Affiliation Department of Social Medicine, School of Public Health, Harbin Medical University, Harbin, Heilongjiang Province, China

Jiejing Hao

Affiliation Department of Social Medicine, School of Public Health, Harbin Medical University, Harbin, Heilongjiang Province, China

Lan Wang

Affiliation Department of Social Medicine, School of Public Health, Harbin Medical University, Harbin, Heilongjiang Province, China

Weilan Xu

Affiliation Department of Social Medicine, School of Public Health, Harbin Medical University, Harbin, Heilongjiang Province, China

Jiaojiao Ren

Affiliation Department of Social Medicine, School of Public Health, Harbin Medical University, Harbin, Heilongjiang Province, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MJ YL QW LS. Performed the experiments: LS YL DD QW MJ YHH LG. Analyzed the data: LS YL DD JH YZH LW WX JR LG. Wrote the paper: LS YL CL. Interpretation of the data: LS YL QW CL MJ YHH YZH LG. Revised the manuscript: LS YL DD YZH QW CL.