 OBJECTIVES: 1-evaluate PCR effects according to territory, time and degree of exposure specifically benefits to registered patients and support to participating primary care physicians; 2- identify the degree of implementation of PCR in each CSSS territory and the related contextual factors; 3- examine the relationship between the effects identified, the degree of implementation of PCR and the related contextual factors; 4- assess the impact of implementing PCR on the strengthening of RLS. 