[1] Univ Laval, Fac Pharm, Quebec City, PQ, Canada
[2] Univ Laval, Chair Adherence Treatments, Quebec City, PQ, Canada
[3] Univ Laval, Fac Med, Dept Med Sociale & Prevent, Quebec City, PQ G1K 7P4, Canada
[4] Ctr Hosp Univ CHU Quebec, Ctr Rech, Unite Rech Sante Populat URESP, Quebec City, PQ, Canada
[5] Univ Ottawa, Dept Epidemiol & Community Med, Ottawa, ON, Canada
[6] Hop St Sacrement, Ctr Malad Sein Deschenes Fabia, Quebec City, PQ G1S 4L8, Canada
[7] Univ Montreal, CHU Ste Justine, Res Ctr, Montreal, PQ, Canada
[8] Fred Hutchinson Canc Res Ctr, Seattle, WA 98104 USA
[9] Ctr Hosp Univ Montreal, Ctr Integre Canc Sein, Montreal, PQ, Canada