1. Department of Obstetrics and Gynecology Radboud University Medical Center Nijmegen The Netherlands
2. Department of Obstetrics and Gynecology Catharina Hospital Eindhoven Eindhoven The Netherlands
3. Department of Pathology Radboud University Medical Center Nijmegen The Netherlands
4. Department of Pathology Deventer Hospital Deventer The Netherlands
5. Amsterdam UMC Vrije Universiteit Amsterdam, Pathology, Cancer Center Amsterdam Amsterdam The Netherlands
6. Department of Pathology Erasmus University Medical Center Rotterdam The Netherlands
7. Department of Medical Microbiology Radboud University Medical Center Nijmegen The Netherlands
8. GROW, School for Oncology and Developmental Biology Maastricht University Maastricht The Netherlands