1. Institute of Human Genetics, University of Bonn, Medical Faculty and University Hospital Bonn , Bonn , Germany
2. Cologne Center for Genomics, University of Cologne , Cologne , Germany
3. Praxis für Humangenetik Erfurt , Erfurt , Germany
4. Department of Dermatology, University of Münster , Münster , Germany
5. Institute of Structural Biology, University of Bonn, Medical Faculty and University Hospital Bonn , Bonn , Germany
6. Department of Dermatology, Venereology and Allergology, University Hospital Würzburg , Würzburg , Germany