- Correspondence to Kevin Zbuk, Population Health Research Institute, Hamilton Health Sciences, David Braley CVSRI, Hamilton General Hospital Campus, 237 Barton Street E, Hamilton, ON L8L 2X2, Canada;
- Accepted 12 June 2011
- Published in print 1 January 2012.
- Published online 2 December 2011.
- Published first 28 August 2011.
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.