About the Authors

Meinan Chen

Contributed equally to this work with: Meinan Chen, Yanhua Rao

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

Yanhua Rao

Contributed equally to this work with: Meinan Chen, Yanhua Rao

Affiliation Jiangxia Maternal and Child Health Hospital, Wuhan, China

Yi Zheng

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

Shiqing Wei

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

Ye Li

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

Tong Guo

Affiliation WuXiPRA Clinical Research (Shanghai) Co., Ltd, Shanghai, China

Ping Yin

ping_y2000@163.com

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

Competing Interests

Author Tong Guo is employed by a commercial company, WuXiPRA Clinical Research (Shanghai) Co.,Ltd., but this does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: MNC YHR PY. Performed the experiments: MNC YZ TG. Analyzed the data: MNC YL. Contributed reagents/materials/analysis tools: MNC SQW. Wrote the paper: MNC TG.