1. Department of Dermatology Medical University of Vienna Vienna Austria
2. Department of Dermatology Medical University of Innsbruck Innsbruck Austria
3. Department of Dermatology University Hospital Zurich Zurich Switzerland
4. Faculty of Medicine University of Zurich Zurich Switzerland
5. Department of Dermatology and Venereology Medical University of Graz Graz Austria
6. Institute and Comprehensive Centre for Inflammation Medicine University of Lübeck Lübeck Germany
7. Department of Dermatology Hospital Universitari Germans Trias i Pujol, IGTP, UAB Badalona Spain