1. Department of Dermatology, Venereology, and Allergology; University Medical Center; Göttingen Germany
2. Center for Dermatogenetics, Division of Human Genetics and Department of Dermatology, Innsbruck Medical University, and the Cologne Center for Genomics, University of Cologne; Germany
3. Department of Dermatology and Allergology at the Medical Center of the University of Munich; Germany