1 Division of General Surgery, Department of Surgery, University of Toronto, Canada.
2 HPB Surgery Service, Division of General Surgery, St. Joseph's Health Centre, Unity Health Toronto, 30 The Queensway, Toronto, ON, M6R1B5, Canada; Division of General Surgery, Department of Surgery, University of Toronto, Canada.
3 HPB Surgery Service, Division of General Surgery, St. Joseph's Health Centre, Unity Health Toronto, 30 The Queensway, Toronto, ON, M6R1B5, Canada; Division of General Surgery, Department of Surgery, University of Toronto, Canada. Electronic address: Shiva.Jayaraman@unityhealth.to.