1. Department of Dermatology and Center for Dermatologic Surgery Eberhard‐Karls University of Tübingen Tübingen Germany
2. skin + more MVZ GmbH Biberach Germany
3. Department of Dermatology Venereology and Allergology University Hospital of Leipzig Leipzig Germany
4. Institute of Pathology Ludwigshafen General Hospital Ludwigshafen am Rhein Germany
5. Department of Oral and Cranio‐Maxillofacial Surgery Saarland University Medical Center Homburg/Saar Germany
6. Department of Otorhinolaryngology Head and Neck Surgery Saarland University Medical Center Homburg/Saar Germany
7. Department of Dermatologic Surgery and Dermatology Artemed Fachklinik München Munich Germany
8. Medical Supply Center for Histology Cytology and Molecular Diagnostics Trier, Wissenschaftspark Trier Germany
9. Faculty of Medicine Saarland University Medical Center Homburg/Saar Germany