Affiliation: | 1. Instituto Nacional de Saúde, Maputo, Mozambique.; 2. Laboratório de Virologia Molecular, Universidade Federal do Rio de Janeiro,Rio de Janeiro, Brazil.; 3. Division of Global HIV/AIDS, Centers for Disease Control and Prevention (CDC), Maputo, Mozambique.; 4. National HIV and Retrovirology Laboratories, National Microbiology Laboratory, Public Health Agency of Canada, Ottawa, Canada.; 5. University of Ottawa, Ottawa, Canada.; University of Pittsburgh, United States of America, |