1. Chronic Disease Research Institute, The Children's Hospital, and National Clinical Research Center for Child Health, School of Public Health, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China, Department of Nutrition and Food Hygiene, School of Public Health, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China, and Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden (W.H.)
2. Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden (P.S., K.C.)
3. Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden (F.F.)
4. Region Västra Götaland, Department of Obstetrics and Gynecology, Sahlgrenska University Hospital, Gothenburg and Department of Obstetrics and Gynecology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden (V.S.)
5. Department of Obstetrics and Gynecology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, and Regional Cancer Center West, Gothenburg, Sweden (B.S.).