1. Department of Dermatology, University of Lübeck, Lübeck, Germany
2. Lübeck Institute of Experimental Dermatology (LIED), University of Lübeck, Lübeck, Germany
3. Department of Dermatology, University of Groningen, Groningen, the Netherlands
4. Department of Dermatology, Erasmus MC, Rotterdam, the Netherlands
5. Department of Dermatology, Oregon Health & Science University, Portland
6. Aurora Diagnostics, GPA Laboratories, Greensboro, North Carolina
7. Dermatology Department, AP-HP, St-Louis Hospital, University of Paris, Paris, France
8. Autoimmune Bullous Diseases Research Center, Razi Hospital, Tehran University of Medical Sciences, Tehran, Iran
9. Department of Dermatology, UT Southwestern Medical Center in Dallas, Dallas, Texas
10. Department of Dermatology, University of Würzburg, Würzburg, Germany