About the Authors

Yang Peng

Contributed equally to this work with: Yang Peng, Xiaohua Ye, Ying Li

Affiliation Department of Epidemiology and Health Statistics, Guangdong Key Laboratory of Molecular Epidemiology, Guangdong Pharmaceutical University, Guangzhou, China

Xiaohua Ye

Contributed equally to this work with: Yang Peng, Xiaohua Ye, Ying Li

Affiliation Department of Epidemiology and Health Statistics, Guangdong Key Laboratory of Molecular Epidemiology, Guangdong Pharmaceutical University, Guangzhou, China

Ying Li

Contributed equally to this work with: Yang Peng, Xiaohua Ye, Ying Li

Affiliation Department of Epidemiology and Health Statistics, Guangdong Key Laboratory of Molecular Epidemiology, Guangdong Pharmaceutical University, Guangzhou, China

Tao Bu

Affiliation Department of Epidemiology and Health Statistics, Guangdong Key Laboratory of Molecular Epidemiology, Guangdong Pharmaceutical University, Guangzhou, China

Xiaofeng Chen

Affiliation Department of Epidemiology and Health Statistics, Guangdong Key Laboratory of Molecular Epidemiology, Guangdong Pharmaceutical University, Guangzhou, China

Jiaqi Bi

Affiliation Department of Epidemiology and Health Statistics, Guangdong Key Laboratory of Molecular Epidemiology, Guangdong Pharmaceutical University, Guangzhou, China

Junli Zhou

Affiliation Department of Epidemiology and Health Statistics, Guangdong Key Laboratory of Molecular Epidemiology, Guangdong Pharmaceutical University, Guangzhou, China

Zhenjiang Yao

zhjyao2001@yahoo.com

Affiliation Department of Epidemiology and Health Statistics, Guangdong Key Laboratory of Molecular Epidemiology, Guangdong Pharmaceutical University, Guangzhou, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ZJY YP YL. Performed the experiments: XFC JQB JLZ. Analyzed the data: YP XHY TB YL. Contributed reagents/materials/analysis tools: ZJY XHY. Wrote the paper: YP.