1. Institute of Human Genetics, Medical Center ‐ University of Freiburg, Faculty of MedicineUniversity of Freiburg Freiburg Germany
2. Department of Dermatology, Reference Center for Rare Skin Diseases MAGECSaint Louis Hospital AP‐HP Paris France
3. Department of DermatologyUniversity Hospital Münster Germany
4. Department of DermatologyCHU of Bab‐El‐Oued Algiers Algeria
5. Competence Centre for Rare Skin Diseases, Dermatology DepartmentCHU Dijon Dijon France
6. Department of Dermatology, Hedi Chaker HospitalSfax University Sfax Tunisia
7. Department of Pathology and Dermatology and MAGEC Reference Center for Rare Skin DiseasesHopital Necker‐Enfants Malades Paris France
8. Department of Clinical Medicine Trinity College Dublin, Our Lady's Children's HospitalNational Children's Research Centre Dublin Ireland
9. Pediatric Dermatology Unit, Department of Pathophysiology and Transplantation, Fondazione IRCCS Ca' Granda – Ospedale Maggiore PoliclinicoUniversity of Milan Milan Italy
10. Department of Dermatology, Venerology, and AllergologyUniversity Hospital Wuerzburg Wuerzburg Germany
11. Department of Dermatology and Venerology, Medical Center ‐ University of Freiburg, Faculty of MedicineUniversity of Freiburg Freiburg Germany
12. Department of Dermatology, Venereology, and AllergologyCharité Berlin Berlin Germany
13. MedVZ LeipzigUniversity Hospital Leipzig Leipzig Germany
14. Medical Practice for Paediatrics Lengerich Germany
15. Institute of PathologyHeidelberg University Hospital Heidelberg Germany