1. Foshan Institute of Fetal Medicine, Southern Medical University Affiliated Maternal and Child Health Hospital of Foshan, Foshan, Guangdong, 528000, China
2. Department of Obstetrics, Southern Medical University Affiliated Maternal and Child Health Hospital of Foshan, Foshan, Guangdong, 528000, China
3. Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, Anhui, 230032, China
4. Department of Library, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310003, China
5. Menzies Institute for Medical Research, University of Tasmania, Private Bag 23, Hobart, Tasmania 7000, Australia
6. Department of Epidemiology, Medical College of Jinan University, Guangzhou, Guangdong, 510632, China
7. Changzhou Center for Disease Control and Prevention, Changzhou, Jiangsu, 213003, China
8. Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, Hefei, Anhui, 230032, China
9. Department of Neurology, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215004, China
10. Chaohu Hospital Affiliated Anhui Medical University, Chaohu, Anhui, 238000, China
11. Chengdu Center for Disease Control and Prevention, Chengdu, Sichuan, 610041, China
12. Department of Communicable Diseases Control, Jiangxi Provincial Center for Disease Control and Prevention, Nanchang 330000, Jiangxi, China
13. School of Integrated Traditional and Western Medicine, Anhui University of Chinese Medicine, Hefei, Anhui, 230038, China