1. Department of Dermatology, UMCG Center of Expertise for Blistering Diseases, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
2. Dutch Medicines Evaluation Board , Utrecht , the Netherlands
3. Division of Pharmacoepidemiology and Clinical Pharmacology, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University , Utrecht , The Netherlands
4. DEBRA Ireland , Dublin , Ireland
5. DEBRA UK , Bracknell , UK
6. Department of Dermatology, Medical Center, Faculty of Medicine, University of Freiburg , Freiburg , Germany
7. First Department of Dermatology, Faculty of Medicine, Aristotle University of Thessaloniki , Thessaloniki , Greece
8. Charité-Universitätsmedizin Berlin, Institute of Clinical Nursing Science , Berlin , Germany
9. CHORD COUSIN Collaboration, Department of Dermatology, Amsterdam Public Health, Infection and Immunology , AUMC, Location AMC, University of Amsterdam, Amsterdam , the Netherlands
10. DEBRA France , Marseille , France
11. DEBRA Austria , Vienna , Austria
12. Department of Dermatology, Amsterdam Public Health, Infection and Immunology, AUMC, Location AMC, University of Amsterdam , Amsterdam , the Netherlands
13. DEBRA Spain , Marbella , Spain
14. Department of Dermatology and Allergology and EB House Austria, University Hospital of the Paracelsus Medical University , Salzburg , Austria
15. Department of Genetics, UMCG Center of Expertise for Blistering Diseases, University of Groningen, University Medical Center Groningen , Groningen , the Netherlands