1. Department of Dermatology; Medical Center - University of Freiburg; Freiburg Germany
2. EB House Austria; Research Program for Molecular Therapy of Genodermatoses; Department of Dermatology; University Hospital of the Paracelsus Medical University; Salzburg Austria
3. Department of Dermatology; University Medical Center Groningen; University of Groningen; Groningen The Netherlands
4. Department of Genetics; University Medical Center Groningen; University of Groningen; Groningen The Netherlands
5. Department of Human Genetics; Leiden University Medical Center; Leiden The Netherlands