1. Department of Obstetrics and Gynecology, Indiana University School of Medicine, Indianapolis, IN, USA;
2. Department of Women, Children & Family Health Science, University of Illinois at Chicago, Chicago, IL, USA;
3. Department of Pediatrics, Rush University Medical Center, Chicago, IL, USA;
4. Department of Obstetrics and Gynecology, Cedars-Sinai Medical Center, Los Angeles, CA, USA;
5. Department of Obstetrics, Gynecology & Reproductive Sciences, University of California, San Francisco, CA, USA;
6. Obstetrics and Gynecology-Maternal Fetal Medicine, Northwestern University Medical School, Chicago, IL, USA;
7. Wayne State University College of Nursing and the Children’s Hospital of Michigan, Detroit, MI, USA