1. Dermatology Service Memorial Sloan Kettering Cancer Center New York New York USA
2. Caliber I.D. Rochester New York USA
3. Azienda Unità Sanitaria Locale – IRCCS di Reggio Emilia Pathology Unit Reggio Emilia Italy
4. Department of Dermatology University of Modena and Reggio Emilia Modena Italy
5. Dermatology Unit University of Campania L Vanvitelli Naples Italy
6. Pathology Department Hospital Clínic, Universitat de Barcelona Barcelona Spain
7. Dermatology Department Hospital Clínic, Universitat de Barcelona Barcelona Spain
8. Medicine and Medical Specialties Department Alcalá de Henares University Madrid Spain
9. Centro de Investigación en Red en Enfermedades Raras (CIBERER) Instituto Carlos III Madrid Spain
10. Azienda Unità Sanitaria Locale – IRCCS di Reggio Emilia Centro Oncologico ad Alta Tecnologia Diagnostica‐Dermatologia Reggio Emilia Italy