1. Department of Dermatology, Center for Blistering Diseases, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands,
2. Department of Dermatology, Center for Blistering Diseases, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands, 2Department of Genetics, University Medical Center Groningen, University of Groningen, Groningen, the Neth
3. Department of Genetics, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
4. Department of Otorhinolaryngology–Head and Neck Surgery, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands