1. Department of Dermatology, University Hospital of Schleswig-Holstein, Campus Kiel, 24105 Kiel, Germany
2. Institute of Immunology, University Hospital of Schleswig-Holstein, Campus Kiel, 24105 Kiel, Germany
3. Central Microscopy, Centrum for Biology, University of Kiel, 24118 Kiel, Germany
4. Department of Biochemistry, University of Kiel, 24118 Kiel, Germany