1. Department of Obstetrics and Gynecology, San Massimo Hospital, Penne, Italy
2. Department of Medical Genetics, Spirito Santo Hospital, Pescara, Italy
3. Department of Medical Genetics, University of Chieti, Chieti, Italy
4. Department of Obstetrics and Gynecology, University of Chieti, Chieti, Italy
5. Department of Obstetrics and Gynecology, G. Gaslini Institute, University of Genova, Genova, Italy
6. Department of Obstetrics and Gynecology, The Edith Wolfson Medical Center, Holon, affiliated with the Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel