1. Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Canada;
2. GUIDE Research Methods Group, McMaster University, Hamilton, Canada;
3. Department of Medical Sciences, McMaster University, Hamilton, Canada;
4. McMaster Midwifery Research Centre, McMaster University, Hamilton, Canada;
5. Department of Medicine, Jacobs School of Medicine and Biomedical Sciences, State University of New York at Buffalo, Buffalo, NY, USA;
6. Department of Anesthesia, Faculty of Health Sciences, McMaster University, Hamilton, Canada;
7. Independent Epidemiology Consultant, Santiago de Chile, Chile;
8. Ecole des Hautes Etudes en Santé Publique (EHESP), Saint Denis, France;
9. Consultant, Pan American Health Organization, Bridgetown, Barbados;
10. Department of Medicine, McMaster University, Hamilton, Canada