1. Institute of PathologyUniversity Medical Center Hamburg‐Eppendorf Hamburg Germany
2. Department of GynecologyUniversity Medical Center Hamburg‐Eppendorf Hamburg Germany
3. Department of GynecologyRegio Clinic Pinneberg Pinneberg Germany
4. Department of GynecologyRegio Clinic Elmshorn Elmshorn Germany
5. Department of GynecologyClinical Centre Itzehoe Itzehoe Germany
6. Department of GynecologyAlbertinen Clinic Schnelsen Hamburg Germany
7. Institute of PathologyClinical Centre Osnabrück Osnabrück Germany
8. Breast Centre OsnabrückNiels‐Stensen‐Clinic Osnabrück Germany
9. Institute of PathologyUniversity of Jeddah Jeddah Saudi Arabia