1. Department of Microbiology, Faculty of Medicine, Slovak Medical University, Limbova 13, 833 03 Bratislava, Slovakia
2. Faculty of Natural Sciences, Comenius University, Ilkovicova 6, 842 15 Bratislava, Slovakia
3. Institute of Zoology, Slovak Academy of Sciences, Dubravska cesta 9, 845 06 Bratislava, Slovakia
4. Laboratory of Molecular Apidology and Apitherapy, Institute of Molecular Biology, Slovak Academy of Sciences, Dubravska cesta 21, 845 51 Bratislava, Slovakia