[1] San Bortolo Hosp, Dermatol Unit, Vicenza, Italy
[2] Padigl Mazzoleni Presidio Osped Matteo Rota, FROM Res Fdn Osped Maggiore Bergamo, Italian Grp Epidemiol Res Dermatol, Ctr Studi GISED, Bergamo, Italy
[3] Univ Padua, Dept Med, Dermatol Unit, Padua, Italy
[4] San Bortolo Hosp, Osped san Bortolo, Dermatol Unit, AULSS 8,viale Rodolfi 37, I-36100 Vicenza, Italy