[1] Univ Ottawa, Dept Family Med, Ottawa, ON, Canada
[2] Univ Waterloo, Sch Pharm, Waterloo, ON, Canada
[3] Univ Ottawa, Bruyere Res Inst, Ottawa, ON, Canada
[4] Univ Ottawa, Dept Family Med, Ottawa, ON, Canada
[5] Univ Ottawa, Sch Epidemiol Publ Hlth & Prevent Med, Ottawa, ON, Canada
[6] Bruyere Res Inst, Ottawa, ON, Canada
[7] Ottawa Hosp, Dept Pharm, Ottawa, ON, Canada
[8] Univ Waterloo, Geriatr Pharmacotherapy, Schlegel UW Res Inst Ageing, Waterloo, ON, Canada
[9] Univ Waterloo, Sch Pharm, Waterloo, ON, Canada
[10] Toronto Cent Community Care Access Ctr, Toronto, ON, Canada
[11] Bruyere Res Inst, Methods Ctr, Ottawa, ON, Canada
[12] McMaster Univ, Div Gastroenterol, Hamilton, ON, Canada