[1] Univ Quebec, Dept Med Sociale & Prevent, Ctr Hosp, Quebec City, PQ, Canada
[2] Univ Laval, Fac Pharm, Quebec City, PQ, Canada
[3] Univ Quebec, Unite Rech Sante Populat, Ctr Hosp, Quebec City, PQ, Canada
[4] Univ Laval, Unite Rech Sante Populat, Quebec City, PQ, Canada