1. Programa de Oncovirologia, Instituto Nacional de Câncer José Alencar Gomes da Silva, Coordenação de Pesquisa, Rua André Cavalcanti, 37-4° andar, Bairro de Fátima, Rio de Janeiro, CEP: 20231-050, Brazil
2. Blood Systems Research Institute, 270 Masonic Avenue, San Francisco, California 94118, USA
3. Division of Viral Diseases, Centers for Disease Control and Prevention, 1600 Clifton Road, Atlanta, Atlanta, Georgia 30333, USA
4. Marine Wildlife Veterinary Care and Research Center, California Department of Fish and Wildlife, 1451 Shaffer Road, Santa Cruz, California 95060, USA
5. Wildlife Health Center, University of California at Davis, One Shields Avenue, Davis, California 95616, USA
6. California Department of Public Health, Richmond, California 94804, USA
7. Department of Laboratory Medicine, University of California at San Francisco, San Francisco, California 94118, USA