1 Bruyère Research Institute, 43 Bruyère Street (Annex E), Ottawa, ON, K1N 5C8, Canada. ckendall@uottawa.ca.
2 Bruyère Research Institute, 43 Bruyère Street (Annex E), Ottawa, ON, K1N 5C8, Canada.
3 Institute for Clinical Evaluative Sciences, Ottawa Hospital, Civic Campus, 1053 Carling Avenue, Box 684, Administrative Services Building, 1st Floor, Ottawa, ON, K1Y 4E9, Canada.
4 Ottawa Hospital Research Institute, 1053 Carling Avenue, Ottawa, Ontario, K1Y 4E9, Canada.
5 Social Development Studies and School of Social Work, Renison University College-University of Waterloo, 240 Westmount Road North, Waterloo, ON, N2L 3G4, Canada.
6 Sandy Hill Community Health Centre, 221 Nelson Street, Ottawa, ON, K1N 1C7, Canada.
7 Ottawa Public Health, 179 Clarence St, Ottawa, ON, K1N 5P7, Canada.
8 PROUD Community Advisory Committee, Ottawa, ON, Canada.
9 Drug Users Advocacy League, Ottawa, ON, Canada.
10 BC Centre for Disease Control, 655W 12th Avenue, Vancouver, BC, V5Z 4R4, Canada.
11 Faculty of Medicine, University of Ottawa, 451 Smyth Rd, Ottawa, ON, K1H 8 L1, Canada.
12 Centre for Urban Health Solutions, Li Ka Shing Knowledge Institute and Division of General Internal Medicine, St. Michael's Hospital, Toronto, Canada.
13 Department of Medicine and Institute of Health Policy, Management, and Evaluation, University of Toronto, Toronto ON 30 Bond St, Toronto, ON, M5B 1 W8, Canada.