1 Department of Obstetrics and Gynecology, Research Institute 'Amsterdam Reproduction and Development', Amsterdam UMC, Location VUMC, Amsterdam, The Netherlands.
2 Department of Obstetrics and Gynecology, Research Institute 'Amsterdam Reproduction and Development', Amsterdam UMC, Location AMC, Amsterdam, The Netherlands.
3 Department of Obstetrics and Gynecology, Amsterdam UMC, Location AMC, Amsterdam, The Netherlands.
4 Department of Obstetrics and Gynecology, University Hospitals KU Leuven, Leuven, Belgium.
5 Laboratory for Tumor Immunology and Immunotherapy, KU Leuven, Leuven, Belgium.