[1] Palacky Univ Olomouc, Dept Immunol, Olomouc, Czech Republic
[2] Univ Hosp Olomouc, Dept Allergol & Clin Immunol, Olomouc, Czech Republic
[3] Inst Microbiol CAS Vvi, Prague, Czech Republic
[4] Univ Ostrava, Inst Mol & Clin Pathol & Med Genet, Fac Med, Ostrava, Czech Republic