1. Division of Medicine, University of KwaZulu-Natal, Durban, South Africa;
2. Centre for Applied Health Economics, Griffith University, Nathan, Australia;
3. Faculty of Medicine, Mbarara University of Science and Technology, Mbarara, Uganda;
4. Department of Medicine, Massachusetts General Hospital, Boston, MA, USA;
5. Department of Biostatistics and Computational Biology, University of Rochester, Rochester, NY, USA;
6. Division of Infectious Diseases, Department of Medicine, Emory University School of Medicine, Atlanta, GA, USA;
7. Hubert Department of Global Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA