1. Faculty of Medicine, Enterovirus Laboratory, Institute of Microbiology, Slovak Medical University, Limbova 12, 83303 Bratislava, Slovak Republic
2. 2nd Faculty of Medicine, Department of Pediatrics, Charles University in Prague and University Hospital Motol, Prague, Czech Republic
3. Department of Medical Microbiology, Regional Authority of Public Health Banska Bystrica, Cesta k nemocnici 25, Banska Bystrica, Slovak Republic
4. Martinske biopticke centrum s.r.o., V. Spanyola 47A street, 010 01 Zilina, Slovak Republic
5. Faculty of Public Health, Slovak Medical University, Limbova 12, 83303 Bratislava, Slovak Republic