1. Malawi Liverpool Wellcome Trust ProgrammeBlantyre, Malawi
2. Oregon Health and Science UniversityPortland, Oregon
3. San Francisco General HospitalSan Francisco, California
4. Center for Health and the EnvironmentUniversity of California, DavisDavis, California
5. Child Health Research CentreUniversity of QueenslandBrisbane, Australia
6. Division of Pulmonary and Critical Care Medicine
7. International Respiratory and Severe Illness CenterUniversity of WashingtonSeattle, Washington
8. Massachusetts General HospitalHarvard Medical SchoolBoston, Massachusetts
9. Instituto de Investigaciones de la AlturaUniv Peruana Cayetano HerediaLima, Peru
10. ProAR -Federal University of Bahia School of MedicineSalvador, Brazil
11. Department of Critical Care MedicineSunnybrook Health Sciences CentreToronto, Ontario, Canadaand
12. Interdepartmental Division of Critical Care MedicineUniversity of TorontoToronto, Ontario, Canada