[1] Univ Perugia, Dermatol Sect, Dept Med & Surg, Perugia, Italy
[2] Sacred Heart Catholic Univ, Dermatol Sect, Dept Translat Med & Surg, Rome, Italy
[3] Univ Naples Federico II, Dept Dermatol, Naples, Italy
[4] Univ Catania, Dermatol Clin, Catania, Italy
[5] Univ Brescia, Dept Dermatol, ASSt Spedali Civili Brescia, Brescia, Italy