1. Department of Dermatology, Venereology and Allergology; University Medical Center and Medical Faculty Mannheim, Heidelberg University, and Center of Excellence in Dermatology; Mannheim Germany
2. Institute of Pathology; University Clinic Heidelberg; Heidelberg University; Heidelberg Germany
3. Joint Research Division of Vascular Biology; Medical Faculty Mannheim; Heidelberg University, and German Cancer Research Center Heidelberg; Heidelberg Germany
4. Department of Molecular Immunology; German Cancer Research Center (DKFZ); Heidelberg Germany
5. Department of Pathology; University Medical Center and Medical Faculty Mannheim, Heidelberg University; Mannheim Germany
6. Division for Medical Statistics; Medical Faculty Mannheim; Heidelberg University; Mannheim Germany