1. Department of Pediatrics,
2. Ministry of Education–Shanghai Key Laboratory of Children’s Environmental Health, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China;
3. Clinical Research Unit, and
4. Shanghai MedSci Medical Institute, Shanghai, China;
5. Harvard Medical School, Harvard University and Department of Obstetrics and Gynecology, Beth Israel Deaconess Medical Center, Boston, Massachusetts;
6. Department of Pediatrics, Jiangxi Provincial Children’s Hospital, Nanchang, China;
7. Department of Pediatrics, Lanzhou University Second Hospital, Lanzhou, China;
8. Department of Pediatrics, The Children’s Hospital and School of Medicine and
9. Department of Pediatrics, Second Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China;
10. Department of Pediatrics, Soochow University Affiliated Children’s Hospital, Suzhou, China;
11. Department of Pediatrics, ShengJing Hospital of China Medical University, Shenyang, China;
12. Department of Pediatrics, The Affiliated Hospital of Guizhou Medical University, Guiyang, China;
13. Department of Pediatrics, Children’s Hospital of Fudan University, Shanghai, China;
14. Department of Pediatrics, Children’s Hospital of Nanjing Medical University, Nanjing, China;
15. Department of Pediatrics, Qilu Hospital of Shandong University, Jinan, China;
16. Department of Pediatrics, Henan Province People’s Hospital, Zhengzhou, China;
17. Department of Pediatrics, First People’s Hospital of Yunnan Province, Kunming University of Science and Technology, Kunming, China;
18. Department of Pediatrics, Children’s Hospital of Chongqing Medical University, Chongqing, China;
19. Department of Pediatrics, Shanxi Children’s Hospital and Shanxi Medical University, Taiyuan, China;
20. Department of Pediatrics, Tianjin Medical University General Hospital, Tianjin, China;
21. Department of Pediatrics, Affiliated Hospital of Southwest Medical University, Luzhou, China;
22. Department of Pediatrics, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China;
23. Department of Pediatrics, The First Affiliated Hospital of Guangxi Medical University, Nanning, China;
24. Department of Pediatrics, The First Affiliated Hospital of University of Science and Technology of China, Hefei, China;
25. Department of Pediatrics, Beijing Children’s Hospital at Capital Medical University, Beijing, China;
26. Department of Pediatrics, Peking Union Medical College Hospital, Beijing, China;
27. Department of Pediatrics, The First Hospital of Jilin University, Changchun, China;
28. Department of Pediatrics, West China Women’s and Children’s Hospital, Chengdu, China;
29. Department of Pediatrics, Tangdu Hospital of the Fourth Military Medical University, Xian, China;
30. Department of Pediatrics, Maternal and Child Health Care Hospital of Hainan Province, Haikou, China;
31. Department of Pediatrics, Fujian Provincial Maternity and Children’s Hospital of Fujian Medical University, Fuzhou, China;
32. Department of Pediatrics, The Second Affiliated Hospital of Harbin Medical University, Harbin, China;
33. Department of Pediatrics, Inner Mongolia Autonomous Region People’s Hospital, Hohhot, China;
34. Department of Pediatrics, Hunan Province People’s Hospital, Changsha, China;
35. School of Epidemiology, Public Health, and Preventive Medicine, University of Ottawa, Ottawa, Canada; and
36. Institute for Global Health, Zhejiang University, Hangzhou, China;
37. Institute for Global Health, University College London, London, United Kingdom