Letter to the editor response

Affiliations

• ¹ Department of Surgery, McMaster University, Hamilton, Ontario, Canada; Department of Surgery, University of Toronto, Ontario, Canada. Electronic address: [email protected].
• ² The University of British Columbia, Vancouver, British Columbia, Canada.
• ³ Department of Surgery, McMaster University, Hamilton, Ontario, Canada.
• ⁴ Department of Surgery, University of Toronto, Ontario, Canada; Mount Sinai Hospital, Toronto, Ontario, Canada.
• ⁵ Department of Surgery, University of Toronto, Ontario, Canada.
• ⁶ Department of Surgery, University of Toronto, Ontario, Canada; Department of Surgery, Duke University, Durham North Carolina, USA.
• ⁷ Department of Surgery, Queen's University, Kingston Ontario, Canada.