1. Department of Obstetrics and Gynaecology Amsterdam UMC, Amsterdam The Netherlands
2. Amsterdam Reproduction and Development Amsterdam The Netherlands
3. Department of Obstetrics and Gynaecology University Hospital Antwerp Edegem Belgium
4. Department of Oncology, Laboratory of Tumor Immunology and Immunotherapy ImmunOvar Research Group KU Leuven, Leuven Belgium
5. Department of Obstetrics and Gynaecology University Hospital Leuven Leuven Belgium
6. Department of Development and Regeneration KU Leuven, Leuven Belgium