1. Division of Dermatology Rabin Medical Center – Beilinson Hospital Petach Tikva; affiliated to Sackler Faculty of Medicine Tel Aviv University Tel Aviv Israel
2. Athens University Medical School Athens Greece
3. Hospital St Louis Paris France
4. City of Hope National Medical Center and Beckman Research Institute Duarte CA USA
5. Dermatologic Clinic University of Turin Medical School Turin Italy
6. Sir Peter MacCallum Cancer Centre University of Melbourne Melbourne VIC Australia
7. Department of Dermatology Hospital 12 de Octubre Medical SchoolUniversity Complutense Madrid Spain
8. Johannes Wesling University Medical Centre Minden Germany
9. Department of Dermatology Medical University of Vienna Vienna Austria
10. University Hospital Zurich Zurich Switzerland
11. Hospital ClinicoUniversity of Barcelona Barcelona Spain
12. Aristotle University of ThessalonikiPapageorgiou General Hospital Thessaloniki Greece
13. University of Milan Milan Italy
14. Christie Hospital Manchester UK
15. HELIOS Klinikum Hildesheim GmbHUniversity Medical Centre Göttingen Göttingen Germany
16. University of Pittsburgh School of Medicine Pennsylvania PA USA
17. University of Columbia New York NY USA
18. Churchill HospitalOxford University Hospitals NHS Foundation Trust Oxford UK
19. CHU Hospital de Bordeaux Bordeaux France
20. Helsinki University Central Hospital Helsinki Finland
21. University of São Paulo Medical School São Paulo SP Brazil
22. Hospital Universatari de Bellvitge Barcelona Spain
23. University Hospital Newcastle Newcastle UK
24. University Hospital Wuerzburg Wuerzburg Germany
25. University Hospital Birmingham Birmingham UK
26. Poole Hospital Poole UK
27. University Hospital Southampton Southampton UK
28. University Hospital Bristol Bristol UK
29. Semmelweis University Budapest Hungary
30. University Hospital Leuven Leuven Belgium
31. University Hospital Kiel Kiel Germany
32. Stanford University Medical Center Stanford CA USA
33. Leiden University Medical Centre Leiden the Netherlands
34. Kempf and PFlatz Histologische Diagnostik Zurich Switzerland
35. Department of Dermatology, Research Unit Dermatopathology Medical University of Graz Graz Austria
36. St Thomas’ Hospital London UK