1. Department of Dermatology and Referral Center for Autoimmune Bullous Diseases; APHP; Avicenne Hospital; Bobigny France
2. Department of Histology; UFR Léonard de Vinci; University Paris 13; Bobigny France
3. Department of Pathology; APHP; Avicenne Hospital; Bobigny France
4. Department of Dermatology; University of Lübeck; Lübeck Germany
5. Department of Dermatology; University Medical Center Groningen; University of Groningen; Groningen the Netherlands
6. Department of Dermatology; Medical University of Sofia; Sofia Bulgaria
7. Department of Dermatology and Cutaneous Biology Research Institute; Yonsei University College of Medicine; Gangnam Severance Hospital; Seoul Korea
8. Department of Dermatology; Hospital Clinic de Barcelona; Facultat de Medicina; Universitat de Barcelona; Barcelona Spain
9. Autoimmune Bullous Diseases Research Center; Department of Dermatology; Razi Hospital; Tehran University of Medical Sciences; Tehran Iran
10. Division of Molecular Dermatology; Department of Dermatology; Paracelsus Medical University Salzburg; Salzburg Austria
11. Department of Dermatology; University of Iowa and Department of Veterans Affairs Medical Center; Iowa City IA U.S.A.
12. Department of Dermatology; Duke Medical Center; Durham NC U.S.A.
13. Department of Dermatology; University Hospital; Marburg Germany
14. Department of Dermatology; Mayo Clinic; Rochester MN U.S.A.
15. Department of Dermatology and Venereology; University Hospital Center Zagreb; University of Zagreb School of Medicine; Zagreb Croatia
16. Second University Dermatology Department; Aristotle University School of Medicine; Papageorgiou General Hospital; Thessaloniki Greece
17. Department of Dermatology; University of Pennsylvania and Philadelphia Department of Veterans Affairs Medical Center; Philadelphia PA U.S.A.
18. Department of Dermatology; Keck School of Medicine; University of Southern California; Los Angeles CA U.S.A.
19. Department of Dermatology at St George Hospital; University of New South Wales; Sydney Australia