1. Department of Health Research Methods, Evidence and Impact, McMaster University, 1280 Main St. West, Hamilton, ON L8S 4L8, Canada
2. Centre for Health Economics and Policy Analysis, McMaster University, 1280 Main St. West, Hamilton, ON L8S 4L8, Canada
3. Faculty of Science, McMaster University, 1280 Main St. West, Hamilton, ON L8S 4L8, Canada