1. Research Group Reproduction and Genetics , Faculty of Medicine and Pharmacy, , 1090 Brussels, Belgium
2. Vrije Universiteit Brussel (VUB) , Faculty of Medicine and Pharmacy, , 1090 Brussels, Belgium
3. Brussels IVF , Center for Reproductive Medicine, Universitair Ziekenhuis Brussel, 1090 Brussels, Belgium
4. Center for Medical Genetics , , 1090 Brussels, Belgium
5. Universitair Ziekenhuis Brussel , , 1090 Brussels, Belgium
6. Research Group Biology of the Testis , Faculty of Medicine and Pharmacy, , 1090 Brussels, Belgium
7. Department of Obstetrics , Gynaecology, Perinatology and Reproduction, Institute of Professional Education, , Moscow 119992, Russia
8. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation , Gynaecology, Perinatology and Reproduction, Institute of Professional Education, , Moscow 119992, Russia
9. Research Group Reproduction and Immunology , Faculty of Medicine and Pharmacy, , 1090 Brussels, Belgium