1. Methods Centre, Bruyère Research Institute Ottawa Ontario Canada
2. Bruyère Research Institute University of Ottawa Ottawa Ontario Canada
3. Lakehead University Thunder Bay Ontario Canada
4. School of Health Sciences, Division of Nursing, Midwifery and Social Work University of Manchester Manchester UK
5. Canadian Red Cross Montreal Quebec Canada
6. Social Science Research Unit, EPPI‐Centre, UCL Institute of Education University College London London UK
7. Department of Anesthesiology, Pharmacology and Therapeutics University of British Columbia Vancouver British Columbia Canada
8. World Health Organization Geneva Switzerland