Corresponding Author: Jesper Lagergren, MD, PhD, Upper Gastrointestinal Surgery, Department of Molecular Medicine and Surgery, Retzius St 13a, Karolinska Institutet, 171 77 Stockholm, Sweden (jesper.lagergren@ki.se).
Accepted for Publication: October 12, 2020.
Author Contributions: Dr Lagergren 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: All authors.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Maret-Ouda, Markar.
Critical revision of the manuscript for important intellectual content: Markar, Lagergren.
Statistical analysis: Maret-Ouda.
Obtained funding: Lagergren.
Administrative, technical, or material support: Maret-Ouda.
Supervision: Markar, Lagergren.
Conflict of Interest Disclosures: No disclosures were reported.
Funding/Support: Dr Maret-Ouda was supported by the Centre for Clinical Research Sormland. Dr Markar was supported by the National Institute for Health Research. Dr Lagergren was supported by the Distinguished Professor Award at Karolinska Institutet and the United European Gastroenterology (UEG) Research Prize.
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.