[1] Katholieke Univ Leuven, Dept Dev & Regenerat Cluster Woman & Child, Biomed Sci, Leuven, Belgium
[2] Univ Hosp Leuven, Dept Obstet & Gynaecol, Fetal Med Unit, Leuven, Belgium
[3] UCL, Inst Womens Hlth, London, England
[4] Univ Hosp Leuven, Neonatal Intens Care Unit, Leuven, Belgium
[5] CDH UK, Kings Lynn, England
[6] Platform CHD, Arnhem, Netherlands
[7] Utrecht Univ Med Ctr, Dept Obstet & Gynaecol, Utrecht, Netherlands