1. Information Network of Departments of Dermatology (IVDK) Institute at the University Medical Center Göttingen Göttingen Germany
2. Clinic and Policlinic for Dermatology, Medical Faculty Carl Gustav Carus TU Dresden Dresden Germany
3. Department of Dermatology Erlangen University Hospital Erlangen Germany
4. Dermatologic Center BG Trauma Hospital Hamburg Hamburg Germany
5. Department of Dermatology, Venereology and Allergology, St. Josef Hospital Ruhr University Bochum Bochum Germany
6. Department of Dermatology, Occupational Dermatology University Medical Center Heidelberg Germany
7. Department of Dermatology Bielefeld Medical Center Bielefeld Germany
8. Department of Dermatology University of Mainz Mainz Germany
9. Department of Dermatology, Venereology and Allergology University Medical Center Göttingen Göttingen Germany
10. Department of Dermatology, Inselspital, Bern University Hospital University of Bern Bern Switzerland
11. Department of Dermatology and Allergology Academic Teaching Hospital Dresden‐Friedrichstadt Dresden Germany
12. Department of Dermatology and Venereology Martin Luther University Halle‐Wittenberg Halle (Saale) Germany
13. Department of Allergology, Photodermatology and Occupational Dermatology Dermatologikum Hamburg Hamburg Germany
14. Department of Dermatology SLK Hospital Heilbronn Heilbronn Germany