1. Faculty of Health Sciences, McMaster University, Hamilton Health Sciences, Hamilton, Ontario, Canada
2. Faculty of Medicine, McGill University, Montreal, Quebec, Canada
3. Division of General Surgery and Trauma, McMaster University, Hamilton Health Sciences, Hamilton, Ontario, Canada
4. GHA Surgical Centre, Hamilton, Ontario, Canada
5. Michael G Degroote School of Medicine, McMaster University, Hamilton, Ontario, Canada
6. University of Ottawa, Canada