1. Institute of Human Genetics; University Medical Center of Freiburg; Breisacher Straße 33 79106 Freiburg Germany
2. Department of Medical Sciences; Uppsala University; Uppsala Sweden
3. Department of Dermatology; University Hospital of North Norway; Tromsø Norway
4. Department of Immunology, Genetics and Pathology; Uppsala University; Uppsala Sweden
5. Department of Pathology; University Hospital of North Norway; Tromsø Norway
6. Max Planck Institute of Immunobiology and Epigenetics; Bioinformatics Unit; Freiburg Germany
7. Klinikum Rechts der Isar; Department of Medicine II; Technische Universität München; München Germany