[1] Univ Alberta, Div Geriatr, Med, Edmonton, AB, Canada
[2] Univ Alberta, Div Care Elderly, Family Med, Edmonton, AB, Canada
[3] Glenrose Rehabil Hosp, Pharm, Edmonton, AB, Canada
[4] Glenrose Rehabil Hosp, Edmonton, AB, Canada
[5] Univ Calgary, Calgary, AB, Canada