Mathew Mercuri1,2,3, Amiram Gafni4. 1. Department of Medicine, McMaster University, Hamilton, Canada. 2. Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, Canada. 3. Institute for the Future of Knowledge, University of Johannesburg, Auckland Park, South Africa. 4. Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Canada.