[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