1Faculty of Economics, Université Catholique de Louvain (UCL Mons), 7000, Mons, Belgium
2Unit for Human Reproduction, 1st Department of Obstetrics and Gynaecology, Medical School, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece
3Fertility Global Clinical Development Unit, EMD Serono, Inc, Rockland, 02370, MA, USA (an affiliate of Merck KGaA, Darmstadt, Germany)
4Formerly Merck Serono S.A, Geneva, Switzerland (an affiliate of Merck KGaA, Darmstadt, Germany)
5Biosensors, Morges, Switzerland