1. Skin Cancer Unit; Arcispedale Santa Maria Nuova IRCCS; Viale Risorgimento 80 42100 Reggio Emilia Italy
2. School of Medicine; The University of Queensland; Brisbane Australia
3. Dermatology Service Hospital Salvador; Santiago Chile
4. Hospital Santa Casa; São Paulo Brazil
5. Skin Spectrum Medical Services; Como Western Australia Australia
6. Albert Einstein Israelite Hospital; São Paulo Brazil
7. Pathology Unit; Arcispedale Santa Maria Nuova IRCCS; Viale Risorgimento 80 42100 Reggio Emilia Italy
8. Department of Dermatology; University of Rome Tor Vergata; Italy
9. Department of Dermatology; Medical University of Graz; Graz Austria