1. Department of Dermatology, Centre Hospitalier Universitaire Rouen, Rouen, France
2. Institut National de la Santé et de la Recherche Médicale U1234, Centre de Référence des Maladies Bulleuses Auto-immunes, Normandie University, Rouen, France
3. Department of Biostatistics, Centre Hospitalier Universitaire Rouen, Normandie University, Rouen, France
4. Department of Dermatology, University Hospitals Cleveland Medical Center, Cleveland, Ohio
5. Department of Dermatology, National Skin Centre, Singapore
6. Department of Dermatology, Pekin Union Medical College Hospital, Beijing, China
7. Department of Dermatology, Bern University Hospital, Geneva, Switzerland
8. Department of Dermatology, Geneva University Hospital, Geneva, Switzerland
9. Department of Dermatology, Gangnam Severance Hospital, Seoul, South Korea
10. Department of Dermatology, University of Barcelona, Barcelona, Spain
11. Department of Dermatology, Hospital of China Medical University, Shenyang, China
12. Department of Dermatology, The First Hospital of China Medical University, Shenyang, China
13. Department of Dermatology, Mayo Clinic, Rochester, Minnesota
14. Department of Dermatology, University of Iowa, Iowa City
15. Department of Dermatology, Henri Mondor, University Hospital, Créteil, Rouen, France