1. DERMPATH Muenchen Munich Germany
2. Institute of Pathology Ludwig‐Maximilians‐University Munich Germany
3. Dental School Ludwig‐Maximilians‐University Munich Germany
4. Department of Head Neck Oral Pathology Guy's and St Thomas' NHS Foundation Trust London UK
5. Department of Pathology East Kent Hospitals University NHS Foundation Trust Ashford UK
6. Fingerland Department of Pathology Charles University Faculty of Medicine and University Hospital Hradec Kralove Hradec Králové Czech Republic
7. Institute of Pathology, Faculty of Medicine University of Ljubljana Ljubljana Slovenia
8. D&R Institute of Pathology Medical University of Graz Graz Austria
9. Institute of Pathology Friedrich‐Alexander University, Erlangen‐Nürnberg, University Hospital Erlangen Erlangen Germany