1. Skin Cancer Unit; Arcispedale Santa Maria Nuova IRCCS; Viale Risorgimento 80 42100 Reggio Emilia Italy
2. Department of Dermatology; Shinshu University School of Medicine; Matsumoto Japan
3. Division of General Dermatology; Department of Dermatology; Medical University; Vienna Austria
4. First Department of Dermatology; Medical School; Aristotle University; Thessaloniki Greece
5. Division of Dermatology; Complesso Integrato Columbus; Rome Italy
6. Department of Dermatology; Tokyo Women's Medical University Medical Center East; Tokyo Japan
7. Kobayashi Clinic; Tokyo Japan
8. Department of Dermatology; Claude Bernard - Lyon 1 University; Centre Hospitalier Lyon-Sud; Pierre Bénite France
9. Department of Dermatology and Venereology; Medical University; Graz Austria
10. Dermatology Unit; Second University of Naples; Naples Italy