Katherine Ahrens 1, Robert Silver 2, Neil Perkins 1, Luchin Wong 2, Noya Galai 3, Laurie Lesher 2, David Faraggi 3, Jean Wactawski-Wende 4, Janet Townsend 5, Anne Lynch 6, Sunni Mumford 1, Enrique Schisterman 1
1 Eunice Kennedy Shriver National Institute of Child Health and Human Development, Epidemiology Branch, Division of Intramural Population Health Research, Bethesda, MD,v0
2 University of Utah Health Services, Department of Obstetrics and Gynecology, Salt Lake City, UT
3 University of Haifa, Department of Statistics, Haifa, Israel
4 University at Buffalo, Department of Social and Preventive Medicine, Buffalo, NY
5 Commonwealth Medical College, Department of Family, Community and Rural Health, Scranton, PA
6 University of Colorado, Department of Obstetrics and Gynecology, Aurora, CO