[1] Aristotle Univ Thessaloniki, Dept Dermatol Venereol 1, Thessaloniki, Greece
[2] EKPA Univ Athens, Med Sch, Athens, Greece
[3] Nicosia Univ, Nicosia, Cyprus
[4] Hygeia Hosp, Dermatol Dept, Athens, Greece
[5] 401 Gen Mil Hosp Athens, Clin Dermatol, Athens, Greece
[6] A Sygros Hosp, State Dept Dermatol Venereol, Athens, Greece
[7] EUROMED Gen Clin, Dermatol Unit, Thessaloniki, Greece
[8] Natl & Kapodistrian Univ Athens, Attikon Univ Gen Hosp, Sch Med, Dept Dermatol & Venereol 2, Athens, Greece
[9] KAT Gen Hosp Attica, Outpatient Dept Dermatol, Athens, Greece
[10] Univ Thessaly, Univ Gen Hosp Larissa, Dept Dermatol, Sch Hlth Sci,Fac Med, Larisa, Greece
[11] Aristotle Univ Thessaloniki, Sch Med, Dept Dermatol 2, Thessaloniki, Greece
[12] Univ Gen Hosp Patras, Dept Dermatol, Patras, Greece
[13] Novartis Hellas SACI, Athens, Greece