[1] FD ROOSEVELT Hosp, Dermatol, Banska Bystrica, Slovakia
[2] Univ Hosp, Dermatol, Martin, Slovakia
[3] FD ROOSEVELT Hosp, Internal Med, Banska Bystrica, Slovakia
[4] Univ Hosp, Dermatol, Nitra, Slovakia
[5] Univ Hosp, Internal Med, Nitra, Slovakia
[6] Natl Inst Rheumat Dis, Internal Med, Piestany, Slovakia