| Authors: |
Zhao SX; Department of Child and Adolescent Health, School of Public Health, Zhengzhou University, Zhengzhou 450001, Henan Province, China., Han T; Department of Child and Adolescent Health, School of Public Health, Zhengzhou University, Zhengzhou 450001, Henan Province, China., Bi WZ; Department of Child and Adolescent Health, School of Public Health, Zhengzhou University, Zhengzhou 450001, Henan Province, China., Fei LL; Department of Child and Adolescent Health, School of Public Health, Zhengzhou University, Zhengzhou 450001, Henan Province, China., Han LL; Department of Child and Adolescent Health, School of Public Health, Zhengzhou University, Zhengzhou 450001, Henan Province, China., Wang YL; Department of Child and Adolescent Health, School of Public Health, Zhengzhou University, Zhengzhou 450001, Henan Province, China.; Department of Gynaecology, The Second People's Hospital of Yibin, Yibin 644000, Sichuan Province, China., Ping ZG; Department of Epidemiology and Biostatistics, Zhengzhou University, Zhengzhou 450001, Henan Province, China., Wang CJ; Department of Epidemiology and Biostatistics, Zhengzhou University, Zhengzhou 450001, Henan Province, China., Hao CF; Department of Child and Adolescent Health, School of Public Health, Zhengzhou University, Zhengzhou 450001, Henan Province, China., Xin YJ; Department of Child and Adolescent Health, School of Public Health, Zhengzhou University, Zhengzhou 450001, Henan Province, China. yjxin@zzu.edu.cn. |
