1. Department of Infectious Diseases, First Faculty of Medicine, Charles University and Military University Hospital Prague, U Vojenské Nemocnice 1200, Praha 6 169 02, Czech Republic
2. Institute of Animal Physiology and Genetics, Laboratory of Fish Genetics, Czech Academy of Sciences, Liběchov, Czech Republic
3. Institute of Clinical Immunology, Faculty of Medicine in Hradec Králové, Charles University, Sokolská 581, Hradec Králové 500 05, Czech Republic
4. Department of Infectious Diseases, Faculty of Medicine, Charles University and University Hospital, Sokolská 581, Hradec Králové 500 05, Czech Republic
5. Department of Infectious and Tropical Diseases, First Faculty of Medicine, Charles University and University Hospital Bulovka, Budínova 2, Praha 8 180 81, Czech Republic