1. Departments of Dermatology, Venereology, Allergology and Immunology Dessau Medical Centre Brandenburg Medical School Theodor Fontane Dessau Germany
2. Division of Evidence Based Dermatology Departments of Dermatology, Venereology, Allergology and Immunology Dessau Medical Centre Brandenburg Medical School Theodor Fontane University of Brandenburg Dessau Germany
3. Department of Dermatology Faculty of Health Sciences University Hospital of North Norway Harstad, Troms Norway
4. Department of Dermatology Zealand University Hospital Roskilde Denmark
5. Department of Dermatology, Venereology and Allergology Ruhr University Bochum Bochum Germany
6. 4th Department of Internal Medicine Medical School National and Kapodistrian University of Athens Athens Greece
7. Department of Dermatology and Academic Wound Healing Division of Infection and Immunity Cardiff University Cardiff U.K.
8. Department of Dermatology Hospital de Manises Valencia Spain
9. Department of Dermatology, Venereology and Allergology Wroclaw Medical University Wrocław Poland
10. Department of Dermatology, Venereology and Allergology Goethe University of Frankfurt Frankfurt am Main Germany
11. Department of Dermatology Erasmus University Medical Centre Rotterdam the Netherlands
12. Department of Dermatology, Venereology and Allergology University Hospital of Würzburg Würzburg Germany
13. Interdisciplinary Group of Molecular Immunopathology Dermatology/Medical Immunology Charité – Universitätsmedizin Berlin Berlin Germany
14. Centre of Vein and Skin Surgery, Havelkinik Berlin Berlin Germany
15. Department of Dermatology University Medical Centre, Johannes Gutenberg University Mainz Mainz Germany