[1] Univ Warwick, Warwick Med Sch, Div Hlth Sci, Warwick Res Nursing, Gibbet Hill, Coventry CV4 7AL, W Midlands, England
[2] North York Gen Hosp, Patient Centred Outcomes, Toronto, ON, Canada
[3] St Michaels Hosp, Li Ka Shing Knowledge Inst, Toronto, ON, Canada
[4] Univ Toronto, Inst Hlth Policy Management & Evaluat, Toronto, ON, Canada