1. Department of Maternal and Child Health and Urological Sciences, “Sapienza” University of Rome, Rome, Italy
2. Department of Obstetrics and Gynecology, Division of Maternal-Fetal Medicine, Sidney Kimmel Medical College – Thomas Jefferson University, Philadelphia, PA, USA
3. Jefferson College of Population Health, Thomas Jefferson University, Philadelphia, PA, USA
4. Department of Neuroscience, Reproductive Sciences and Dentistry, School of Medicine, University of Naples “Federico II”, Naples, Italy
5. Division of Obstetrics, University Hospital Zurich, Zurich, Switzerland
6. Department of Obstetrics and Gynecology, University of Utah, Salt Lake City, UT, USA
7. Intermountain Healthcare Division of Maternal Fetal Medicine, Salt Lake City, UT, USA
8. Division of Maternal Fetal Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
9. Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Medstar Washington Hospital Center, Washington, DC, USA
10. Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Keck School of Medicine of the University of Southern California, Los Angeles, CA, USA