Giuseppe A. Micali, MD, head, Sezione di Dermatologia e Venereologia, Dipartimento di Specialità Medico-Chirurgiche, University of Catania, Sicily, Italy; and visiting professor, Department of Dermatology, Northwestern University and University of Illinois, Chicago, USA Pompeo Donofrio, MD, dermatologist, Naples, Italy Maria Rita Nasca, MD, PhD, Dermatology Clinic, University of Catania, Sicily, Italy Stefano Veraldi, MD, director, School of Specialization in Dermatology and Venereology, University of Milan, Italy