1. Department of Dermatology Universitätsklinikum Erlangen, Friedrich‐Alexander‐Universität Erlangen‐Nürnberg Erlangen Germany
2. Comprehensive Cancer Center Erlangen‐European Metropolitan Area of Nuremberg (CCC ER‐EMN) Erlangen Germany
3. Skin Cancer Center at the University Cancer Centre Dresden and National Center for Tumor Diseases Dresden Germany
4. Department of Dermatology University Hospital Carl Gustav Carus TU Dresden Germany
5. Primary Care Center Martinsried Munich Germany