1. Biochemistry, Molecular Biology and Biophysics Department, Masonic Cancer Center, Institute for Molecular Virology, University of Minnesota, Minneapolis, Minnesota, USA
2. Programa de Oncovirologia, Instituto Nacional de Câncer, Rio de Janeiro, RJ, Brazil
3. Department of Microbiology and Immunobiology, Harvard Medical School, Boston, Massachusetts, USA
4. McArdle Laboratory for Cancer Research, University of Wisconsin—Madison School of Medicine and Public Health, Madison, Wisconsin, USA
5. Departamento de Genética, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil