Affiliation: | a Department of Obstetrics and Gynaecology, University Hospital Gasthuisberg, Katholieke Universiteit Leuven, Leuven, Belgium b Neolife-Medicina y Cirugía Reproductiva, Centro Médico La Costa, Asuncion, Paraguay c Department of Obstetrics and Gynaecology, Sheba Medical Center, affiliated to Tel Aviv University, Tel Hashomer, Israel |