1. Department of Obstetrics and Gynaecology Radboud Institute for Molecular Life Sciences Radboud university medical center Nijmegen The Netherlands
2. Department of Medical Microbiology Radboud university medical center Nijmegen The Netherlands
3. Department of Pathology Radboud university medical center Nijmegen The Netherlands
4. Department of Pathology Lab for Molecular Diagnostics Pathologie‐DNAJeroen Bosch Hospital 's‐Hertogenbosch The Netherlands
5. Department of Obstetrics and Gynaecology Radboud university medical center Nijmegen The Netherlands
6. Department of Obstetrics and Gynaecology Catharina Hospital Eindhoven The Netherlands
7. PALGA, the Nationwide Network and Registry of Histo‐ and Cytopathology Houten The Netherlands