Accepted for Publication: December 26, 2020.
Published Online: March 17, 2021. doi:10.1001/jamasurg.2021.0135
Corresponding Author: Julie Hallet, MD, MSc, Department of Surgery, University of Toronto, 2075 Bayview Ave, Toronto, ON M4N 3M5, Canada (julie.hallet@sunnybrook.ca).
Author Contributions: Mr Dharma had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Concept and design: Hallet, Turgeon, McIsaac, Eskander, Zuk, Sohail, Dharma, Coburn, Sutradhar.
Acquisition, analysis, or interpretation of data: Hallet, Jerath, Turgeon, McIsaac, Eskander, Zuckerman, Zuk, Darling, Dharma, Coburn, Sutradhar.
Drafting of the manuscript: Hallet, Jerath, McIsaac, Sohail, Coburn, Sutradhar.
Critical revision of the manuscript for important intellectual content: Hallet, Jerath, Turgeon, McIsaac, Eskander, Zuckerman, Zuk, Darling, Dharma, Coburn, Sutradhar.
Statistical analysis: Hallet, Jerath, McIsaac, Eskander, Zuckerman, Dharma, Coburn, Sutradhar.
Obtained funding: Turgeon.
Administrative, technical, or material support: Hallet, Jerath, Eskander, Zuckerman, Zuk, Sohail, Coburn.
Supervision: Hallet, Coburn, Sutradhar.
Conflict of Interest Disclosures: Dr Hallet reported receiving personal fees from Ipsen Biopharmaceuticals Canada, speaking honoraria and personal fees from Advanced Accelerator Applications, and speaking honoraria from Novartis Oncology outside the submitted work. Dr Eskander reported receiving grants from Merck and personal fees from Bristol-Myers outside the submitted work. No other disclosures were reported.
Funding/Support: This study was supported by grant FRN 154131 from the Canadian Institute of Health Research and by ICES, which is funded by an annual grant from the Ontario Ministry of Health and Long-term Care (MOHLTC).
Role of the Funder/Sponsor: The funders had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Disclaimer: The opinions, results, and conclusions expressed herein are those of the authors and do not reflect the official policy or position of the funding sources. No endorsement by ICES or the Ontario MOHLTC is intended or should be inferred. Parts of this manuscript were based on data and information compiled and provided by the Canadian Institute for Health Information (CIHI). However, the analyses, conclusions, opinions, and statements expressed herein are those of the authors and do not reflect the official policy or position of CIHI. Parts of this manuscript were based on data and information provided by Cancer Care Ontario (CCO). The opinions, results, views, and conclusions expressed herein are those of the authors and do not reflect the official policy or position of CCO. No endorsement by CCO is intended or should be inferred.
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