Footnotes

• Contributors Drafting of the article: SV; Critical revision of the article for important intellectual content: NS, SG, WAvH and MJB; Final approval of the article: MJB.

• Funding The Cancer Institute of New South Wales provided funding for a research nurse and data manager to assist with the administration of the study. NS is supported by the University of British Columbia Clinician Investigator Program.

• Disclaimer There was no influence from either institution regarding study design or conduct, data collection, management, analysis, interpretation, preparation, review, or approval of the manuscript.

• Competing interests MJB: Research Support: Olympus, Cook Medical, Boston Scientific.

• Patient and public involvement Patients and/or the public were not involved in the design, or conduct, or reporting, or dissemination plans of this research.

• Provenance and peer review Not commissioned; internally peer reviewed.