[1] Sapienza Univ Rome, Dept Maternal & Child Hlth & Urol Sci, Rome, Italy
[2] St George Hosp, Fetal Med Unit, London, England
[3] St Georges Univ London, Mol & Clin Sci Res Inst, Vasc Biol Res Ctr, London, England
[4] Univ Bologna, Dept Med & Surg Sci, Unit Obstet, Bologna, Italy
[5] Univ Roma Tor Vergata, Div Maternal & Fetal Med, Osped Cristo Re, Rome, Italy
[6] First IM Sechenov Moscow State Med Univ, Dept Obstet & Gynecol, Moscow, Russia
[7] Univ G dAnnunzio, Inst Adv Biomed Technol, Dept Neurosci Imaging & Clin Sci, Chieti, Italy
[8] Univ G dAnnunzio, Ctr Fetal Care & High Risk Pregnancy, Dept Obstet & Gynecol, Chieti, Italy
[9] Imperial Coll London, Inst Reprod & Dev Biol, Dept Surg & Canc, London, England
[10] Imperial Coll Healthcare NHS Trust, Queen Charlottes & Chelsea Hosp, Ctr Fetal Care, London, England
[11] Di Venere & Sarcone Hosp, Fetal Med Unit, Bari, Italy
[12] Inst Maternal & Child Hlth IRCCS Burlo Garofolo, Unit Fetal Med & Prenatal Diag, Trieste, Italy
[13] Univ Trieste, Dept Med Surg & Hlth Sci, Trieste, Italy
[14] AOU Careggi, Fetal Med Unit, Dept Women & Children Hlth, Florence, Italy
[15] Sapienza Univ Rome, Dept Radiol Anatomopathol & Oncol, Rome, Italy
[16] Federico II Univ Naples, Sch Med, Dept Neurosci Reprod Sci & Dent, Naples, Italy
[17] Univ Parma, Dept Med & Surg, Unit Surg Sci Obstet & Gynecol, Parma, Italy
[18] Univ Padua, Dept Woman & Childs Hlth, Padua, Italy
[19] Arnas Civ Hosp, Dept Obstet & Gynaecol, Palermo, Italy
[20] Univ Complutense Madrid, Univ Hosp 12 Octubre, Dept Obstet & Gynaecol, Fetal Med Unit,Maternal & Child Hlth & Dev Networ, Madrid, Spain
[21] Univ Modena & Reggio Emilia, Int Doctorate Sch Clin & Expt Med, Dept Biochem Metab & Neural Sci, Modena, Italy
[22] Azienda Unit Sanit Locale IRCCS, Unit Obstet & Gynecol, Reggio Emilia, Italy
[23] Osp Ca Foncello Treviso, Fetal Med Unit, Dept Obstet & Gynecol, Treviso, Italy
[24] Hosp Univ & Politecn La Fe, Serv Obstet, Valencia, Spain
[25] Univ Valencia, Dept Pediatr Obstet & Ginecol, Valencia, Spain
[26] Univ Cattolica Sacro Cuore, Dept Woman Child Hlth & Publ Hlth, Fdn Policlin Univ Agostino Gemelli IRCCS, Rome, Italy
[27] Univ Milan, Pediat Radiol & Neuroradiol Dept, Childrens Hosp V Buzzi, Milan, Italy
[28] V Buzzi Univ Milano, Fetal Therapy Unit Umberto Nicolini, Childrens Hosp, Milan, Italy
[29] Azienda Osped Univ Parma, Dept Radiol, Parma, Italy
[30] IRCCS Ist Sci Neurol UOC Neuroradiol, Bologna, Italy
[31] Inst Maternal & Child Hlth IRCCS Burlo Garofolo, Unit Paediat Radiol, Trieste, Italy
[32] AOU Meyer, UOC Radiodiagnost, Florence, Italy
[33] Osp Ca Foncello Treviso, UOC Neuroradiol, Treviso, Italy
[34] Complejo Hosp Univ Insular Materno Infantil Canar, Las Palmas Gran Canaria, Spain
[35] Copenhagen Univ Hosp, Ctr Fetal Med & Ultrasound, Dept Obstet, Rigshosp, Copenhagen, Denmark
[36] Univ Copenhagen, Dept Clin Med, Copenhagen, Denmark
[37] Aarhus Univ Hosp, Ctr Fetal Med, Dept Obstet & Gynecol, Aarhus, Denmark
[38] Aarhus Univ, Inst Clin Med, Aarhus, Denmark
[39] Univ Brescia, Dept Clin & Expt Sci, Div Obstet & Gynecol, Brescia, Italy
[40] ASST Spedali Civili, Pediat Neuroradiol Sect, Neuroradiol Unit, Brescia, Italy
[41] Univ Ferrara, Dept Med Sci, Ferrara, Italy
[42] Local Hlth Unit Avezzano Sulmona LAquila, Dept Child & Adolescent Neuropsychiat, Sulmona, Italy
[43] Univ Foggia, Dept Med & Surg Sci, Fetal Med Unit, Foggia, Italy
[44] Thomas Jefferson Univ, Sidney Kimmel Med Coll, Dept Obstet & Gynecol, Div Maternal Fetal Med, Philadelphia, PA 19107 USA