[1] Pavol Jozef Safarik Univ, Fac Med, Dept Dermatovenerol, Kosice, Slovakia
[2] Louis Pasteur Univ Hosp Kosice, Kosice, Slovakia
[3] Pavol Jozef Safarik Univ Kosice, Fac Med, Dept Publ Hlth & Hyg, Kosice, Slovakia
[4] Jessenius Fac Med, Dept Dermatovenerol, Martin, Slovakia