About the Authors

Hui Li

Contributed equally to this work with: Hui Li, Xiao-Jing Guo, Xiao-Fei Ye, Hong Jiang

Affiliation Department of Health Statistics, Second Military Medical University, Shanghai, China

Xiao-Jing Guo

Contributed equally to this work with: Hui Li, Xiao-Jing Guo, Xiao-Fei Ye, Hong Jiang

Affiliation Department of Health Statistics, Second Military Medical University, Shanghai, China

Xiao-Fei Ye

Contributed equally to this work with: Hui Li, Xiao-Jing Guo, Xiao-Fei Ye, Hong Jiang

Affiliation Department of Health Statistics, Second Military Medical University, Shanghai, China

Hong Jiang

Contributed equally to this work with: Hui Li, Xiao-Jing Guo, Xiao-Fei Ye, Hong Jiang

Affiliations Department of Health Statistics, Second Military Medical University, Shanghai, China, Department of politics, Second Military Medical University, Shanghai, China

Wen-Min Du

Affiliation Adverse Drug Reaction Monitoring Center of Shanghai, Shanghai, China

Jin-Fang Xu

Affiliation Department of Health Statistics, Second Military Medical University, Shanghai, China

Xin-Ji Zhang

Affiliation Department of Health Statistics, Second Military Medical University, Shanghai, China

Jia He

hejia63@yeah.net

Affiliation Department of Health Statistics, Second Military Medical University, Shanghai, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LH G-XJ Y-XF JH HJ. Performed the experiments: LH G-XJ Y-XF JH D-WM X-JF. Analyzed the data: LH G-XJ Y-XF JH Z-XJ. Contributed reagents/materials/analysis tools: X-JF Z-XJ. Wrote the paper: LH G-XJ Y-XF JH HJ.