1. Division of General Internal Medicine, Department of Medicine McGill University Health Centre Montreal Canada
2. School of Epidemiology and Public Health University of Ottawa Ottawa Canada
3. Division of Experimental Medicine, Department of Medicine McGill University Health Centre Montreal Canada
4. Department of General Surgery Letterkenny University Hospital Letterkenny Ireland
5. McGill University Health Centre Medical Libraries Montreal Canada
6. Clinical Practice Assessment Unit, Department of Medicine McGill University Health Centre Montreal Canada