[1] Abubakar Tafawa Balewa Univ Teaching Hosp, Dept Obstet & Gynecol, Perinatal Med Unit, Bauchi, Nigeria
[2] Univ Zagreb & Sarajevo, Sch Med, Zagreb, Croatia
[3] Siriraj Hosp, Div Maternal Fetal Med, Fac Med, Dept Obstet & Gynecol, Bangkok, Thailand
[4] Inst Fernandes Figueira Fiocruz, Clin Res Unit, Niteroi, RJ, Brazil
[5] Inst Fernandes Figueira Fiocruz, Pesquisa Clin, Niteroi, RJ, Brazil
[6] Clin Res Inst Fetal Med PMC, Osaka, Japan
[7] Istanbul Univ, Dept Perinatal Med, Cerrahpasa Med Sch, Perinatal Med Fdn, Istanbul, Turkey
[8] Cairo Univ, Fetal Med Unit, KasrEl Aini Hosp, Cairo, Egypt
[9] Amer Univ Beirut, Div Maternal Fetal Med, Dept Obstet & Gynecol, Beirut, Lebanon
[10] Clin Hosp Sveti Duh, Dept Obstet & Gynecol, Zagreb, Croatia