1 Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, 3D14A Teaching and Wellness Building, 3280 Hospital Drive NW, Calgary, Alberta, T2N 4Z6, Canada.
2 Alberta Health Services, Calgary, Alberta, Canada.
3 O'Brien Institute for Public Health, University of Calgary, Calgary, Alberta, Canada.
4 Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, Canada.
5 Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada.
6 Health Technology Assessment Unit, University of Calgary, Calgary, Alberta, Canada.
7 Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, Ontario, Canada.
8 Institute of Health Policy Management and Evaluation, University of Toronto, Toronto, Ontario, Canada.
9 Department of Medicine, University of Toronto, Toronto, Ontario, Canada.
10 Department of Critical Care Medicine, CummingSchool of Medicine, University of Calgary, Calgary, Alberta, Canada.
11 Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, 3D14A Teaching and Wellness Building, 3280 Hospital Drive NW, Calgary, Alberta, T2N 4Z6, Canada. fclement@ucalgary.ca.
12 O'Brien Institute for Public Health, University of Calgary, Calgary, Alberta, Canada. fclement@ucalgary.ca.
13 Health Technology Assessment Unit, University of Calgary, Calgary, Alberta, Canada. fclement@ucalgary.ca.