1. Division of Infectious Diseases, Department of Medicine, McGill University Health Centre, Royal Victoria Hospital, Montréal, Québec, Canada
2. Department of Critical Care Medicine, National Institutes of Health, Clinical Center, Bethesda, Maryland
3. Centre for Outcomes Research, McGill University Health Centre, Montréal, Québec, Canada
4. Clinical Practice Assessment Unit, Department of Medicine, McGill University, Montréal, Québec, Canada
5. Division of General Internal Medicine, Department of Medicine, McGill University, Montréal, Québec, Canada