1. Sydney Medical School, WestmeadThe University of Sydney Sydney Australia
2. Department of DermatologyWestmead Hospital Sydney Australia
3. Department of Tissue Pathology and Diagnostic Oncology, Institute of Clinical Pathology and Medical ResearchWestmead Hospital Sydney Australia
4. Department of DermatologyUniversity of Modena and Reggio Emilia Modena Italy
5. Azienda Unità Sanitaria Locale – IRCCS di Reggio EmiliaCentro Oncologico ad Alta Tecnologia Diagnostica‐Dermatologia Reggio Emilia Italy