1. Department of Dermatology and Venereology; Medical Center, University of Freiburg; Freiburg im Breisgau Germany
2. Faculty of Medicine; University of Freiburg; Freiburg im Breisgau Germany
3. Department of Pathology, Medical Center; University of Freiburg; Freiburg im Breisgau Germany
4. Dermatohistologisches Labor Freiburg; Freiburg Germany
5. Dermatopathologie Friedrichshafen/Bodensee; Friedrichshafen Germany