[1] University of Arizona,Department of Epidemiology and Biostatistics, Mel and Enid Zuckerman College of Public Health
[2] Brigham and Women’s Hospital and Harvard Medical School,Department of Obstetrics, Gynecology, and Reproductive Biology
[3] University of Edinburgh,MRC Centre for Reproductive Health, Queen’s Medical Research Institute
[4] Harvard T.H. Chan School of Public Health,Department of Epidemiology
[5] Michigan State University,Department of Obstetrics, Gynecology, and Reproductive Biology, College of Human Medicine