- Correspondence to Heather L White, Department of Health Policy, Management and Evaluation, Faculty of Medicine, University of Toronto, 506-169 St. George Street, Toronto, ON M5R 2M4, Canada;
- Accepted July 20, 2009
- First published October 14, 2009.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.