Published on in Vol 22, No 7 (2020): July
1 Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, China
2 Faculty of Medicine, International School, Jinan University, Guangzhou, China
3 Department of Culture and Tourism, Xiamen University of Technology, Xiamen, China
4 College of Economics, Jinan University, Guangzhou, China
5 Maternal-Fetal Medicine Unit, Department of Obstetrics and Gynecology, Brigham and Women’s Hospital, Boston, MA, United States
6 Center for Genomic Medicine, Massachusetts General Hospital, Harvard Medical School, Harvard University, Boston, MA, United States
7 School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
*these authors contributed equally