[1] Univ Naples Federico II, Sch Med & Surg, Dept Neurosci Reprod Sci & Odontostomatol, Naples, Italy
[2] Univ G dAnnunzio, Ctr Fetal Care & High Risk Pregnancy, Dept Obstet & Gynecol, Chieti, Italy
[3] Univ Modena & Reggio Emilia, Dept Med & Surg Sci Children & Adults, Modena, Italy