1 Department of Emergency Medicine (Lang), University of Calgary; Alberta Health Services (Lang), Calgary, Alta.; Department of Occupational Science and Occupational Therapy (Colquhoun), University of Toronto, Toronto, Ont.; Department of Pediatrics (LeBlanc), Dalhousie University, Halifax, NS.; Department of Family Medicine (Riva, Moore), McMaster University, Hamilton, Ont.; Public Health Agency of Canada (Traversy), Ottawa, Ont.; Division of Community Health and Humanities (Wilson), Memorial University, St. John's, Nfld.; Department of Family Medicine (Grad), McGill University, Montréal, Que.