1. Cardiovascular Research Methods Centre; University of Ottawa Heart Institute; Ottawa Canada
2. School of Epidemiology and Public Health; University of Ottawa; Ottawa Canada
3. Department of Mathematics and Statistics; University of Ottawa; Ottawa Canada
4. Clinical Epidemiology Program; Ottawa Hospital Research Institute; Ottawa Canada
5. Statistics Canada; Ottawa Canada
6. Department of Medicine, Faculty of Medicine; University of Ottawa; Ottawa Canada
7. WHO Collaborating Centre for Knowledge Translation and Health Technology Assessment in Health Equity; Bruyère Research Institute; Ottawa Canada
8. Medicine Service; Birmingham Veteran Affairs Medical Center; Birmingham AL USA
9. Department of Medicine; University of Alabama at Birmingham; Birmingham AL USA