1. Department of Plastic and Aesthetic, Reconstructive and Hand Surgery AGAPLESION Markus Hospital Frankfurt Germany
2. Department of Plastic and Aesthetic, Reconstructive and Hand Surgery AGAPLESION Ev. Hospital Giessen Germany
3. OptiPath Institute of Pathology Frankfurt Germany
4. Institute of Pathology University Hospital Erlangen Nuremberg Germany
5. Department for Oral, Cranio‐Maxillofacial and Facial Plastic Surgery Medical Center of the Goethe University Frankfurt Frankfurt Germany