1. Department of Dermatology; University of Modena and Reggio Emilia; Modena Italy
2. Department of Pathology; University of Modena and Reggio Emilia; Modena Italy
3. Skin Cancer Unit; Arcispedale Santa Maria Nuova, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS); Reggio Emilia Italy
4. Department of Dermatology; Medical University of Graz; Graz Austria
5. Dermatology Research Centre; The University of Queensland; School of Medicine; Translational Research Institute; Princess Alexandra Hospital; Brisbane Qld Australia