1 Department of Emergency Medicine (H. Rosenberg), The Ottawa Hospital; Department of Medicine (E. Rosenberg), The Ottawa Hospital; Department of Surgery (Kubelik), University of Ottawa; The Ottawa Hospital (Kubelik), Ottawa, Ont. hrosenberg@toh.ca.
2 Department of Emergency Medicine (H. Rosenberg), The Ottawa Hospital; Department of Medicine (E. Rosenberg), The Ottawa Hospital; Department of Surgery (Kubelik), University of Ottawa; The Ottawa Hospital (Kubelik), Ottawa, Ont.