1. Department of EpidemiologyJohns Hopkins School of Public HealthBaltimoreMaryland
2. University of Western CapeCape TownSouth Africa
3. TB HIV CareDurbanSouth Africa
4. TB HIV CareCape TownSouth Africa
5. Johns Hopkins University, School of NursingThe REACH InitiativeBaltimoreMaryland
6. University of CaliforniaSan FranciscoCalifornia
7. Li Ka Shing Knowledge Institute, St. Michael's HospitalUniversity of TorontoTorontoCanada
8. Division of Infectious Diseases, Department of MedicineUniversity of TorontoTorontoOntarioCanada