1. Centre for Research and Knowledge Transfer in Biotechnology, University of Zagreb, Zagreb, Croatia
2. Center of Excellence for Viral Immunology and Vaccines, CERVirVac, Zagreb, Croatia
3. Andrija Stampar Teaching Institute of Public Health, School of Medicine, University of Zagreb, Zagreb, Croatia
4. Department of Virology, Croatian National Institute of Public Health, School of Medicine, University of Zagreb, Zagreb, Croatia