1. Emergency Health Services; Department of Emergency Medicine and Community Health and Epidemiology; Nova Scotia Canada
2. 3224 Sarmiento Drive Bensalem PA USA 19020
3. University of Alberta; Faculty of Nursing; 3rd Floor, Clinical Sciences Building Edmonton Alberta Canada T6G 2G3
4. Massachusetts General Hospital; Department of Emergency Medicine; 326 Cambridge St, Suite 410 Boston Massachusetts USA 02114
5. University of Alberta; Edmonton Alberta Canada
6. University of Alberta; Department of Emergency Medicine; Room 1G1.43 Walter C. Mackenzie Health Sciences Centre 8440 112th Street Edmonton Alberta Canada T6G 2B7