[1] Univ Calgary, Calgary Zone Alberta Hlth Serv, Ward 21 Century, Calgary, AB, Canada
[2] Univ Calgary, Cumming Sch Med, Dept Med, Calgary, AB, Canada
[3] Strategy Patient Oriented Res SPOR Support Unit, Calgary, AB, Canada
[4] Univ British Columbia, Fac Sci, Dept Biol, Vancouver, BC, Canada
[5] British Columbia Breast Canc Outcomes Unit, Vancouver, BC, Canada
[6] Michael Smith Hlth Res, Vancouver, BC, Canada
[7] Univ Calgary, Cumming Sch Med, OBrien Inst Publ Hlth, Calgary, AB, Canada
[8] Univ Alberta, Dept Med, Edmonton, AB, Canada
[9] Laval Univ, Grad Studies, Quebec City, PQ, Canada
[10] Univ British Columbia, Dept Anesthesia Pharmacol & Therapeut, Therapeut Initiat, Vancouver, BC, Canada
[11] 305,2176 Hlth Sci Mall, Vancouver, BC V6T 1Z3, Canada