[1] San Antonio Abate Hosp, Dermatol Unit, Via Cosenza 82, I-91016 Erice, TP, Italy
[2] Univ Campania Luigi Vanvitelli, Dept Mental & Phys Hlth & Prevent Med, Dermatol Unit, Naples, Italy
[3] Univ Brescia, Dermatol Dept, ASST Spedali Civili Brescia, Brescia, Italy