1. Department of Obstetrics and Gynecology, Loyola University Medical Center, Maywood, IL
2. Northwestern University Feinberg School of Medicine, Chicago, IL
3. Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
4. Obstetric Medicine, Melbourne School of Population and Global Health, University of Melbourne, Carlton, Victoria, Australia
5. Department of Pediatrics, Karolinska Institute, Stockholm, Sweden
6. Department of Obstetrics and Gynecology, Kaiser Foundation Hospital, Bellflower, CA
7. Department of Reproductive Biology, Case Western Reserve University at MetroHealth Medical Center, Cleveland, OH