1. Department of Dermatology Rouen University Hospital and INSERM U905 Centre de référence des maladies bulleuses autoimmunes Normandie University Rouen France
2. Department of Dermatology University Medical Center Groningen Center for Blistering Diseases University of Groningen Groningen the Netherlands
3. Autoimmune Bullous Diseases Unit 2nd Dermatology Department Papageorgiou General Hospital Αristotle University School of Medicine Thessaloniki Greece
4. Department of Dermatology Akdeniz University Faculty of Medicine Antalya Turkey
5. Department of Dermatology Aarhus University Hospital Aarhus Denmark
6. Department of Dermatology University Hospital Carl Gustav Carus Dresden Germany
7. Department of Dermatology Rambam Health Care Campus and The Ruth and Bruce RappaportFaculty of Medicine Haifa Israel
8. University of Reims‐Champagne‐Ardenne Reims France
9. Department of Dermatology University Hospital of Bern University of Bern Bern Switzerland
10. Department of Health Sciences Section of Dermatology USL Toscana Centro Rare Diseases Unit European Reference Network‐Skin Member University of Florence Florence Italy
11. Department of Dermatology and Referral Center for Autoimmune Bullous Diseases MALIBUL Avicenne Hospital AP‐HP University Paris 13 Bobigny France
12. Department of Dermatology Cristo Re Hospital Rome Italy
13. Autoimmune Bullous Diseases Research Center Department of Dermatology Razi HospitalTehran University of Medical Sciences Tehran Iran
14. Department of Dermatology Postgraduate Institute of Medical Education and Research Chandigarh India
15. Autoimmune Blistering Dermatoses Section Department of Dermatology Poznan University of Medical Sciences Poznan Poland
16. Department of Dermatology Medical University Sofia Bulgaria
17. Department of Dermatology University of Münster Münster Germany
18. Dermatology unit Azienda ospedaliero ‐universitaria Universita di Parma Parma Italy
19. Department of Dermatology, Venereology and Allergology University Hospital Würzburg Würzburg Germany
20. St John's Institute of Dermatology London UK
21. Department of Dermatology University Hospital Technical University Dresden Dresden Germany
22. Department of Dermatology, Allergy and Dermatosurgery Helios University Hospital Wuppertal University Witten Herdecke Germany
23. 1st Department of Dermatology‐Venereology Hospital of Skin and Venereal Diseases Aristotle University Medical School Thessaloniki Greece
24. Department Dermatology and Immunodermatology Medical University of Warsaw Warsaw Poland
25. National Skin Centre Singapore Singapore
26. Department of Dermatology and Venereology University Hospital Centre Zagreb School of Medicine University of Zagreb Zagreb Croatia
27. Dermatology Unit Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico Milan Italy
28. Department of Physiopathology and Transplantation Università degli Studi di Milano Milan Italy
29. Department of Dermatology Hospital Clínic de Barcelona Universitat de Barcelona Barcelona Spain
30. Department of Dermatology Rabin Medical Center petha‐Tikwa and Sackler School of Medicine Tel Aviv University Tel aviv Israel
31. Department of Dermatology St George Hospital University of NSW Sydney NSW Australia
32. DermoLab Institute of Dermatology University of Modena and Reggio Emilia Modena Italy
33. Department of Dermatology, Venereology, and Dermatooncology Semmelweis University Budapest Hungary
34. Department of Oral Medicine St John's Institute of Dermatology; Guy's and St Thomas' NHS Foundation Trust London UK
35. Division of Dermatology Tel Aviv Sourasky Medical Center Tel Aviv Israel
36. Department of Human Molecular Genetics and Biochemistry Sackler Faculty of Medicine Tel‐Aviv University Tel Aviv Israel
37. Department of Dermatology and Immunodermatology Medical University of Warsaw Warsaw Poland
38. Department of Dermatology Karadeniz Technical University Faculty of Medicine Trabzon Turkey
39. Genetics and rare Disease Research Division Bambino Gesù Children’s Hospital IRCCS Rome Italy
40. Department of Dermatology and Lübeck Institute of Experimental Dermatology (LIED) University of Lübeck Lübeck Germany
41. Department of Dermatology University of Marburg Marburg Germany