1. Skin Cancer Unit; Arcispedale Santa Maria Nuova IRCCS; Viale Risorgimento 80 42100 Reggio Emilia Italy
2. Department of Dermatology; Medical University of Vienna; Vienna Austria
3. Department of Dermatology, Allergology and Environmental Medicine II; Hospital Thalkirchner Straße; Städtisches Klinikum Munich Munich Germany
4. Skin and Cancer Associates; Plantation FL U.S.A.
5. School of Medicine; University of Queensland; Brisbane Qld Australia
6. Dermatology Practice; Nemours France
7. Skin Spectrum Medical Services; Como WA Australia
8. School of Medicine; The University of Queensland; Brisbane Qld Australia
9. Dermatology Unit; Second University of Naples; Naples Italy
10. Department of Dermatology and Venerology; Non-Melanoma Skin Cancer Unit; Medical University of Graz; Graz Austria