1. Laboratory for Cell and Molecular Biology; Department of Dermatology and Venerology; University Hospital Hamburg-Eppendorf; Hamburg Germany
2. Clinic for Dermatology and Venereology; University Medical Center Rostock; Rostock Germany
3. Psoriasis Research and Treatment Center; Department of Dermatology and Allergy; & Institute of Medical Immunology; University Medicine Charité; Berlin Germany
4. Lübeck Institute of Experimental Dermatology; University of Lübeck; Lübeck Germany