1. Liverpool School of Tropical Medicine; Cochrane Infectious Diseases Group; Pembroke Place Liverpool UK
2. McGill University Health Centre; Department of Clinical Epidemiology; McGill University Montreal QC Canada
3. University of Washington; Division of Pulmonary and Critical Care Medicine; Seattle WA USA
4. McGill University; Department of Epidemiology, Biostatistics and Occupational Health; Purvis Hall, Room 50 1020 Pine Avenue West Montreal QC Canada H3A 1A2
5. Foundation for Innovative New Diagnostics (FIND); 16, Av de Budé Geneva Switzerland