Cancer J 2014 May-Jun;20(3):217-24
From the *Institute of Microbiology, Academy of Sciences of the Czech Republic, Prague and Novy Hradek, Czech Republic; †First Faculty of Medicine, Institute of Immunology and Microbiology, Charles University in Prague, Prague, Czech Republic; and ‡Department of Pathology, Immunology, and Laboratory Medicine, College of Medicine, University of Florida, Gainesville, FL.