Author/Authors :
SAMOHYL, Martin Institute of Hygiene - Faculty of Medicine - Comenius University, Bratislava, Slovak Republic , NADAZDYOVA, Anna Institute of Hygiene - Faculty of Medicine - Comenius University, Bratislava, Slovak Republic , HIROSOVA, KatarIna Institute of Hygiene - Faculty of Medicine - Comenius University, Bratislava, Slovak Republic , VON-DROVA, Diana Institute of Hygiene - Faculty of Medicine - Comenius University, Bratislava, Slovak Republic , KRAJCOVA, Daniela Institute of Hygiene - Faculty of Medicine - Comenius University, Bratislava, Slovak Republic , JURKOVICOVA, Jana Institute of Hygiene - Faculty of Medicine - Comenius University, Bratislava, Slovak Republic