1. Section of Dermatology, Department of Health Sciences University of Florence Florence Italy
2. Department of Dermatology and Venerology Aarhus University Hospital Aarhus Denmark
3. Dermatology Unit Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico Milan Italy
4. Department of Dermatology, Inselspital, Bern University Hospital University of Bern Bern Switzerland
5. Department of Dermatology, Venereology and Allergology Innsbruck Medical University Innsbruck Austria
6. Rare Diseases Unit, Azienda USL Toscana Centro European Reference Network Skin Member Florence Italy
7. Department of Dermatology Groupe Hospitalier Paris‐Seine‐Saint‐Denis, AP‐HP Bobigny France
8. Division of Dermatology, Department of Medicine National University Hospital Singapore Singapore
9. Department of Medicine NUS Yong Loo Lin School of Medicine Singapore Singapore
10. Department of Haematology University Hospital of Aarhus Aarhus Denmark
11. Department of Dermatology, Autoimmune Bullous Diseases Research Center, Razi Hospital University of Medical Sciences Tehran Iran
12. Department of Dermatology PGIMER Chandigarh India
13. Department of Dermatology and Allergology Philipps University Marburg Germany
14. Autoimmune Blistering Dermatoses Section, Department of Dermatology Poznan University of Medical Sciences Poznań Poland
15. Department of Dermatology and Venereology, Medical Faculty Medical University Sofia Bulgaria
16. Department of Dermatology University of Münster Münster Germany
17. Section of Dermatology, Department of Clinical and Experimental Medicine University of Parma Parma Italy
18. Department of Dermatology, Venereology and Allergology University Hospital Würzburg Würzburg Germany
19. Clinical Immunodermatology St. John's Institute of Dermatology Guy's Hospital London UK
20. Department of Dermatology University Hospital Carl Gustav Carus, Technical University Dresden Dresden Germany
21. Department of Dermatology, Venereology & Leprology Postgraduate Institute of Medical Education and Research Chandigarh India
22. Department of Dermatology, Allergy and Dermatosurgery, Helios University Hospital University Witten/Herdecke Wuppertal Germany
23. Department of Dermatology, Expertise Center for Blistering Disease, University Medical Center Groningen University of Groningen Groningen The Netherlands
24. 1st Department of Dermatology‐Venereology Aristotle University School of Medicine Thessaloniki Greece
25. Department of Dermatovenereology Masaryk University, St. Anna Hospital Brno Czech Republic
26. Department Dermatology and Immunodermatology Medical University of Warsaw Warsaw Poland
27. Unit of Dermatology and Skin Research Laboratory Baruch Padeh Medical Center Poriya Israel
28. Azrieli Faculty of Medicine Bar‐Ilan University Safed Israel
29. Department of Dermatology, Rouen University Hospital and INSERM U1234, Centre de Référence des Maladies Bulleuses Autoimmunes Normandie University Rouen France
30. National Skin Centre Singapore Singapore
31. Yong Loo Lin School of Medicine, Lee Kong Chian School of Medicine Duke‐NUS Singapore Singapore
32. University Hospital Center Zagreb School of Medicine University of Zagreb Zagreb Croatia
33. Department of Dermatology University of California Davis Sacramento California USA
34. Autoimmune Bullous Diseases Unit, 2nd Dermatology Department Aristotle University School of Medicine Thessaloniki Greece
35. DermoLab, Department of Surgical, Medical, Dental and Morphological Sciences University of Modena and Reggio Emilia Modena Italy
36. Department of Dermatology and Referral Center for Autoimmune Bullous Diseases (MALIBUL), Avicenne University Hospital, Hôpitaux Universitaires de Paris Seine‐Saint‐Denis (HUPSSD), Assistance Publique – Hôpitaux de Paris (AP‐HP) Université Sorbonne Paris Nord (USPN) Bobigny France
37. Centre for Host‐Microbiome Interactions, Faculty of Dentistry, Oral and Craniofacial Sciences King's College London London UK
38. Division of Dermatology Tel Aviv Sourasky Medical Center Tel Aviv Israel
39. Sackler Faculty of Medicine Tel Aviv University Tel Aviv Israel
40. Department of Dermatovenereology, Faculty of Medicine University of Belgrade Belgrade Serbia
41. Clinic of Dermatovenereology University Clinical Center of Serbia Belgrade Serbia
42. PEDEGO Research Unit, Department of Dermatology, Medical Research Center Oulu Oulu University Hospital and University of Oulu Oulu Finland
43. Department of Dermatology and Venereology Akdeniz University Faculty of Medicine Antalya Turkey
44. Department of Dermatology University of Lübeck Lübeck Germany
45. Department of Dermatology Klinik Landstraße Vienna Austria
46. Faculty of Medicine and Dentistry Danube Private University Krems Austria
47. Department of Dermatology, Xijing Hospital Fourth Military Medical University Xi'an China
48. Department of Dermatology Peking University First Hospital Beijing China
49. National Clinical Research Center for Skin and Immune Diseases Beijing China
50. Department of Dermatology, Immunodermatology and Venereology Medical University of Warsaw Warsaw Poland
51. Department of Dermatology Koç University School of Medicine Istanbul Turkey
52. Genodermatosis Unit, Genetics and Rare Diseases Research Division, Bambino Gesù Children's Hospital IRCCS Rome Italy
53. Department of Dermatology Osaka Metroplitan University Graduate School of Medicine Osaka Japan
54. Lübeck Institute of Experimental Dermatology (LIED) University of Lübeck Lübeck Germany
55. Department of Dermatology, Hospital Clínic of Barcelona Universitat de Barcelona Barcelona Spain
56. Department of Pathophysiology and Transplantation Università degli Studi di Milano Milan Italy