About the Authors

Yi-Juan Luo

Affiliation Department of Biostatistics and Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou, Guangdong, China

Xiao-Zhong Wen

Affiliation Obesity Prevention Program, Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, Massachusetts, United States of America

Peng Ding

Affiliation Department of Biostatistics and Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou, Guangdong, China

Yan-Hui He

Affiliation Department of Biostatistics and Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou, Guangdong, China

Chuan-Bo Xie

Affiliation Department of Biostatistics and Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou, Guangdong, China

Tao Liu

Affiliation Department of Biostatistics and Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou, Guangdong, China

Jian-miao Lin

Affiliation Shenzhen Women and Children’s Hospital, Shenzhen, Guangdong, China

Shi-Xin Yuan

Affiliation Shenzhen Women and Children’s Hospital, Shenzhen, Guangdong, China

Xiao-Ling Guo

Affiliation Foshan Women and Children’s Hospital, Foshan, Guangdong, China

De-Qin Jia

Affiliation Foshan Women and Children’s Hospital, Foshan, Guangdong, China

Li-Hua Chen

Affiliation Shenzhen Women and Children’s Hospital, Shenzhen, Guangdong, China

Bao-Zhen Huang

Affiliation Shenzhen Women and Children’s Hospital, Shenzhen, Guangdong, China

Wei-Qing Chen

chenwq@mail.sysu.edu.cn

Affiliation Department of Biostatistics and Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou, Guangdong, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: YJL. Contributed reagents/materials/analysis tools: YJL. Wrote the paper: YJL. Generated hypothesis and designed the experiments: WQC YJL XZW TL. Conducted the survey and experiments: YJL PD YHH CBX JmL SXY XLG DQJ LHC BZH. Edited manuscript: XZW WQC.