1. Methods Centre; Bruyère Research Institute; Ottawa Canada
2. School of Epidemiology and Public Health; University of Ottawa; Ottawa Canada
3. Bruyère Research Institute; University of Ottawa; Ottawa Canada
4. Bruyère Research Institute; Ottawa Canada
5. Telfer School of Management; University of Ottawa; Ottawa Canada
6. Health Canada; Federal Government of Canada; Ottawa Canada
7. School of Psychology, Faculty of Social Sciences; University of Ottawa; Ottawa Canada
8. Internal Medicine Department; La Princesa Hospital; Madrid Spain
9. Department of Medicine; Faculty of Medicine, University of Ottawa; Ottawa Canada
10. School of Epidemiology and Public Health; Faculty of Medicine, University of Ottawa; Marmora Canada
11. Department of Medicine, Faculty of Medicine; University of Ottawa; Ottawa Canada
12. Department of Social & Environmental Health Research, Faculty of Public Health & Policy; London School of Hygiene and Tropical Medicine; London UK