1. Institute of Experimental Immunology; Euroimmun AG; Lübeck Germany
2. Lübeck Institute of Experimental Dermatology (LIED); Lübeck Germany
3. Department of Dermatology; University of Lübeck; Lübeck Germany
4. Human Immunophenotyping Laboratory; University of Lübeck; Lübeck Germany
5. Department of Dermatology; Ludwig Maximilian University of Munich; Munich Germany
6. Department of Dermatology; Medical University of Vienna; Vienna Austria
7. Department of Dermatology, Venereology and Allergy; University Hospital Würzburg; Würzburg Germany
8. Department of Dermatology; Kurume University School of Medicine and Kurume University Institute of Cutaneous Cell Biology; Kurume Japan
9. Department of Dermatology; University Medical Centre Groningen; Groningen The Netherlands