ABSTRACT
From the Department of Emergency Medicine, Queen's University (AM), Kingston, Ontario; and the Departments of Epidemiology and Biostatistics (AM, CW), Philosophy (CW), and Medicine (CW), University of Western Ontario, London, Ontario, Canada. Received May 3, 2007; revisions received June 23, and August 3, 2007; accepted August 12, 2007. Dr. McRae was supported by a Fellowship from the Canadian Institutes of Health Research and Dr. Weijer was supported by a Tier 1 Canada Research Chair in Bioethics and a Canadian Institutes of Health Research Operating Grant. Contact for correspondence and reprints: Andrew McRae, MD; e-mail: amcrae6@uwo.ca.
