[1] Univ Chem & Technol, Dept Phys & Measurements, Tech 5, Prague 16628, Czech Republic
[2] Comenius Univ, Fac Nat Sci, Dept Environm Ecol & Landscape Management, Ilkovicova 6, Bratislava 84215, Slovakia
[3] Charles Univ Prague, Fac Med 1, Inst Immunol & Microbiol, Studnickova 7, Prague 12800, Czech Republic
[4] Gen Univ Hosp Prague, Studnickova 7, Prague 12800, Czech Republic