1. Institute of Dermatology Department of Medicine University of Udine Udine Italy
2. Second Department of Dermatology Aristotle University Thessaloniki Greece
3. Dermatology Service Department of Medicine Memorial Sloan Kettering Cancer Center New York New York USA
4. Division of Dermatology Tel Aviv Sourasky Medical Center and Sackler Faculty of Medicine Tel Aviv University Tel Aviv Israel
5. Department of Dermatology, Venereology and Allergology Faculty of Medicine Medical University of Gdańsk Gdańsk Poland
6. Department of Oral & Maxillofacial surgery Aristotle University Thessaloniki Greece
7. Department of Bone Marrow Transplantation and Onco‐Hematology Maria Sklodowska‐Curie National Research Institute of Oncology (MSCNRIO) Gliwice Poland
8. University Department of Dermatology and Venereology University Hospital Centre and School of Medicine Zagreb Croatia
9. Department of Biomedical Sciences School of Health Sciences International Hellenic University Alexandrian Campus Sindos, Thessaloniki Greece
10. Ankara University School of Medicine Ankara Turkey
11. Dermatology Unit University of Campania Naples Italy
12. Clinic of Dermatology and Venereology Clinical Center of Serbia Department of Dermatology Faculty of Medicine University of Belgrade Belgrade Serbia
13. Department of Dermatology University of Modena and Reggio Emilia Modena Italy
14. Azienda Sanitaria Locale IRCCS di Reggio Emilia Centro Oncologico ad Alta Tecnologia Diagnostica‐Dermatologia Reggio Emilia Italy
15. Dermatology Department of Clinical Internal, Anesthesiological and Cardiovascular Sciences University La Sapienza Rome
16. First Department of Dermatology Aristotle University Thessaloniki Greece