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.