1. Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, 53-114 Wrocław, Poland
2. Department of Molecular Virology, Faculty of Biology, Adam Mickiewicz University, 61-712 Poznań, Poland
3. Department of Microbiology, Biotechnical Faculty, University of Ljubljana, 1000 Ljubljana, Slovenia
4. Research and Development Center, Regional Specialist Hospital in Wrocław, 51-124 Wrocław, Poland
5. Faculty of Health Sciences, Wrocław Medical University, 50-367 Wrocław, Poland