About the Authors

Huanmiao Xun

Affiliation School of Public Health, Shandong University, Jinan, China

Dianmin Kang

Affiliation Shandong Provincial Center for Disease Control and Prevention, Jinan, China

Tao Huang

Affiliation Shandong Provincial Center for Disease Control and Prevention, Jinan, China

Yuesheng Qian

Affiliation Shandong Provincial Center for Disease Control and Prevention, Jinan, China

Xiufang Li

Affiliation Affiliated Hospital of Medical College Qingdao University, Qingdao, China

Erin C. Wilson

Affiliation San Francisco Department of Public Health, San Francisco, California, United States of America

Shan Yang

Affiliation Yantai Municipal Center for Disease Control and Prevention, Yantai, China

Zhenxia Jiang

Affiliation Qingdao Municipal Center for Disease Control and Prevention, Qingdao, China

Cuihua Gong

Affiliation Zibo Municipal Center for Disease Control and Prevention, Zibo, China

Xiaorun Tao

Affiliation Shandong Provincial Center for Disease Control and Prevention, Jinan, China

Xijiang Zhang

Affiliation Qingdao Municipal Center for Disease Control and Prevention, Qingdao, China

Guoyong Wang

Affiliation Shandong Provincial Center for Disease Control and Prevention, Jinan, China

Yapei Song

Affiliation School of Public Health, Shandong University, Jinan, China

Zhijian Xu

Affiliation School of Public Health, Shandong University, Jinan, China

Gifty Marley

Affiliation School of Public Health, Shandong University, Jinan, China

Pengcheng Huai

Affiliation School of Public Health, Shandong University, Jinan, China

Wei Ma

weima@sdu.edu.cn

Affiliation School of Public Health, Shandong University, Jinan, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WM DK YQ XT GW. Performed the experiments: TH XL SY ZJ CG YQ XZ GW ZX. Analyzed the data: HX YS PH GM ECW. Wrote the manuscript: HX WM GM. Critically revised the paper: HX DK WM ECW.