Shanghai Jiao Tong University (SJTU) - MOE and Shanghai Key Laboratory of Children’s Environmental Health, Shanghai Jiao Tong University (SJTU) - MOE and Shanghai Key Laboratory of Children’s Environmental Health, Fudan University - Key Laboratory of Public Health Safety, Aarhus University Hospital - Department of Clinical Medicine, Shanghai Jiao Tong University (SJTU) - MOE and Shanghai Key Laboratory of Children’s Environmental Health, Aarhus University Hospital - Perinatal Epidemiology Research Unit and Aarhus University - Department of Clinical Epidemiology