UNAIDS UCO Zimbabwe, Avenir Health, New York University (NYU) - Grossman School of Medicine, Imperial College London - Medical Research Council Centre for Global Infectious Disease Analysis, Burnet Institute, Ministry of Health and Child Care, University College London - Institute for Global Health, New York University (NYU) - Grossman School of Medicine, Avenir Health, Harvard University, Burnet Institute, National AIDS Council, Ministry of Health and Child Care - Ministry of Health and Child Care AIDS and TB Unit, Ministry of Health and Child Care, University of York, Ministry of Health and Child Care, University of Zimbabwe, University of Zimbabwe - Department of Community Medicine, University College London, University College London - Institute for Global Health and University College London - Institute for Global Health