1 Division of Population Health Research, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD. Electronic address: [email protected].
2 Division of Population Health Research, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD.
3 Biostatistics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD.
4 Feinberg School of Medicine, Northwestern University, Chicago, IL.
5 Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, SC.
6 University of Alabama at Birmingham, Birmingham, AL.
7 Department of Obstetrics and Gynecology, ChristianaCare Health System, Newark, DE.
8 NewYork-Presbyterian Queens, Flushing, NY.
9 Women and Infants Hospital of Rhode Island, Providence, RI; Cleveland Clinic, Cleveland, OH.
10 University of California, Irvine, Orange, CA; Fountain Valley Regional Hospital and Medical Center, Fountain Valley, CA.
11 Columbia University Medical Center, New York, NY.
12 Saint Peter's University Hospital, New Brunswick, NJ; The MetroHealth System, Cleveland, OH.
13 Miller Children's and Women's Hospital Long Beach/Long Beach Memorial Medical Center, Long Beach, CA.
14 Department of Obstetrics and Gynecology, Tufts Medical Center, Boston, MA.
15 Department of Biostatistics, Epidemiology, and Informatics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA.
16 Division of Population Health Research, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD; The Prospective Group, Inc, Fairfax, VA.
17 College of Health and Human Services, George Mason University, Fairfax, VA.
18 Division of Population Health Research, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD; Bia-Echo Asia Centre for Reproductive Longevity & Equality, Yong Loo Lin School of Medicine, National University of Singapore, Queenstown, Singapore; Department of Obstetrics and Gynaecology, Yong Loo Lin School of Medicine, National University of Singapore, Queenstown, Singapore.