1. Department of Medicine, Section of Pulmonary, Critical Care, & Environmental Medicine ; Tulane University; New Orleans LA USA
2. Department of Internal Medicine; Tulane University School of Medicine; New Orleans Louisiana USA
3. Centre for Outcomes Research; McGill University Health Centre - Research Institute; Montreal Canada
4. Department of Epidemiology, Biostatistics and Occupational Health; McGill University; Montreal Canada
5. FIND; Geneva Switzerland
6. Centre for Evidence-based Health Care, Department of Global Health, Faculty of Medicine and Health Sciences; Stellenbosch University; Cape Town South Africa
7. Centre for Global Health Research; Kenya Medical Research Institute; Kisumu Kenya
8. Elizabeth Glaser Pediatric AIDS Foundation; Dar es Salaam Tanzania
9. Ifakara Health Institute; Bagamoyo Tanzania
10. School of Epidemiology & Public Health; University of Ottawa; Ottawa Canada
11. Honorary Research Fellow; Department of Clinical Sciences, Liverpool School of Tropical Medicine; Liverpool UK
12. Department of Medicine, Division of Pulmonary and Critical Care Medicine, and Firland Northwest TB Center; University of Washington; Seattle WA USA