1. Institute of Immunology, Faculty of Medicine, Comenius University, 813 72 Bratislava, Slovakia
2. Department of Infectology and Geographical Medicine, Faculty of Medicine, Comenius University, 833 05 Bratislava, Slovakia
3. Department of Nuclear Physics and Biophysics, Faculty of Mathematics, Physics and Computer Science, Comenius University, 84248 Bratislava, Slovakia
4. Department of Nursing, Faculty of Welfare and Health Sciences, University of Haifa, Haifa 3498838, Israel