- Correspondence to Dr Jennifer O'Loughlin, Centre de Recherche du CHUM, Department of Social and Preventive Medicine, University of Montreal, 3875 Saint Urbain, First Floor, Montreal, Quebec H2W 1V1, Canada;
- Received March 12, 2011
- Accepted July 6, 2011
- First published August 16, 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.