[1] Comenius Univ, Fac Nat Sci, Dept Microbiol & Virol, Bratislava, Slovakia
[2] Slovak Acad Sci, Inst Chem, Bratislava, Slovakia
[3] Slovak Acad Sci, Inst Mol Biol, Bratislava 84251, Slovakia
[4] Innsbruck Med Univ, Dept Hyg Microbiol & Social Med, Innsbruck, Austria
[5] Ctr Int Laser, Dept Biophoton, Bratislava, Slovakia
[6] Acad Sci Czech Republic, Inst Organ Chem & Biochem, Prague, Czech Republic