1. Department of Biotechnology, Faculty of Natural Sciences of University Ss. Cyril and Methodius, Trnava, Slovakia;
2. Cellular Biology Section, Laboratory of Viral Diseases, NIAID, Bethesda, Maryland, USA;
3. International Centre for Applied Research and Sustainable Technology, Bratislava, Slovakia;
4. Department of Glycobiotechnology, Institute of Chemistry, Slovak Academy of Sciences, Bratislava, Slovakia