- Correspondence to Dr Claude Richard, Primary Care Research Team, Centre de santé et de services sociaux de Laval, Hôpital Cité-de-la-Santé, 1755 René-Laennec Blvd., Laval, Québec, Canada H7M 3L9;
- Received September 21, 2009
- Revised February 14, 2010
- Accepted February 22, 2010
- First published June 7, 2010.
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