About the Authors

Jiaqiang Liao

Contributed equally to this work with: Jiaqiang Liao, Shicheng Yu

Affiliation West China School of Public Health, Sichuan University, Chengdu, Sichuan Province, China

Shicheng Yu

Contributed equally to this work with: Jiaqiang Liao, Shicheng Yu

Affiliation Office of Epidemiology, Chinese Center for Disease Prevention and Control, Beijing, China

Fang Yang

Affiliation West China School of Public Health, Sichuan University, Chengdu, Sichuan Province, China

Min Yang

Affiliation West China School of Public Health, Sichuan University, Chengdu, Sichuan Province, China

Yuehua Hu

Affiliation Office of Epidemiology, Chinese Center for Disease Prevention and Control, Beijing, China

Juying Zhang

Juying109@163.com

Affiliation West China School of Public Health, Sichuan University, Chengdu, Sichuan Province, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SY JZ MY. Performed the experiments: JL FY. Analyzed the data: JL. Contributed reagents/materials/analysis tools: YH FY. Wrote the paper: JL.