[1] Univ Sao Paulo, Clin Hosp, Dept Gynecol & Obstet, Ribeirao Preto, SP, Brazil
[2] Aristotle Univ Thessaloniki, Dept Obstet & Gynecol 2, Thessaloniki, Greece
[3] Washington Univ, Sch Med, Dept Obstet & Gynecol, Div Maternal Fetal Med, St Louis, MO 63110 USA
[4] Univ London, Fetal Med Unit, St Georges Univ Hosp NHS Fdn Trust, London, England
[5] St Georges Univ London, Mol & Clin Sci Res Inst, Vasc Biol Res Ctr, London, England
[6] Univ G dAnnunzio, Ctr Fetal Care & High Risk Pregnancy, Dept Obstet & Gynecol, Chieti, Italy
[7] Intermt Healthcare, Maternal Fetal Med, Salt Lake City, UT USA
[8] Paris Cite Univ, Hop Necker Enfants Malad, AP HP, Dept Obstet & Fetal Med, Paris, France
[9] Royal Womens Hosp, Melbourne, Vic, Australia
[10] Univ Melbourne, Dept Obstet & Gynaecol, Melbourne, Vic, Australia
[11] UCL, Elizabeth Garrett Anderson Inst Womens Hlth, London, England
[12] Univ Coll London Hosp NHS Fdn Trust, Fetal Med Unit, London, England
[13] Thomas Jefferson Univ, Div Maternal Fetal Med, Dept Obstet & Gynecol, Philadelphia, PA 19107 USA
[14] Griffith Univ, Gold Coast Univ Hosp, Maternal Fetal Med Unit, Gold Coast, Australia
[15] Griffith Univ, Sch Med, Gold Coast, Australia