[1] Clinical Epidemiology Program,Department of Medicine
[2] Ottawa Hospital Research Institute,School of Epidemiology & Public Health
[3] The Ottawa Hospital,Department of Critical Care Medicine
[4] University of Ottawa,Center for Health Evaluation and Outcome Sciences
[5] Queen’s University,General Internal Medicine, Department of Medicine
[6] St. Paul’s Hospital,School of Population and Public Health
[7] University of British Columbia,Department of Family Medicine
[8] University of British Columbia,Division of General Internal and Hospitalist Medicine, Department of Medicine
[9] McMaster University,undefined
[10] David Braley Health Sciences Centre,undefined
[11] Credit Valley Hospital,undefined
[12] Trillium Health Partners,undefined
[13] Department of National Defence,undefined