About the Authors

Li Tan

Contributed equally to this work with: Li Tan, Ying Wang

Affiliation Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, P. R. China

Ying Wang

Contributed equally to this work with: Li Tan, Ying Wang

Affiliation Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, P. R. China

Lingling Zhou

Affiliation Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, P. R. China

Yun Shi

Affiliation Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, P. R. China

Fan Zhang

Affiliation Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, P. R. China

Li Liu

Affiliation Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, P. R. China

Shaofa Nie

sf_nie@mails.tjmu.edu.cn

Affiliation Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, P. R. China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SFN LT YW. Performed the experiments: LT YW LLZ. Analyzed the data: LT YW LLZ YS. Contributed reagents/materials/analysis tools: LT YW FZ LLZ. Wrote the paper: LT YW.