1. Bernhard Nocht Institute for Tropical Medicine, WHO Collaborating Centre for Arbovirus and Hemorrhagic Fever Reference and Research, 20359 Hamburg, Germany
2. Department of Tropical Medicine and Infectious Diseases, Center of Internal Medicine II, University of Rostock, 18057 Rostock, Germany
3. National Institute of Public Health of Kosovo, 10000 Pristina, Kosovo
4. Faculty of Agriculture and Veterinary, University of Prishtina “Hasan Prishtina”, 10000 Prishtina, Kosovo
5. University Clinic of Infectious Diseases, Faculty of Medicine, University of Pristina, 10000 Pristina, Kosovo