Frans van Workum, Camiel Rosman, Department of Surgery, Radboud University Medical Center, Nijmegen 6500 HB, Netherlands
Laura Fransen, Misha DP Luyer, Department of Surgery, Catharina Hospital, Eindhoven 5602 ZA, Netherlands
Author contributions: van Workum F, Luyer MDP and Rosman C designed research; van Workum F and Fransen L performed research; van Workum F analyzed data; all authors wrote the paper.
Conflict-of-interest statement: The authors have no conflict of interest to declare. The work has not been previously published and has not been submitted for publication elsewhere.
Open-Access: This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/
Corresponding author to: Frans van Workum, MD, Academic Research, Doctor, Department of Surgery, Radboud University Medical Center, Geert Grooteplein-Zuid 10, Nijmegen 6500 HB, Netherlands. email@example.com
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Received: August 25, 2018
Peer-review started: August 27, 2018
First decision: October 11, 2018
Revised: October 28, 2018
Accepted: November 2, 2018
Article in press: November 2, 2018
Published online: November 28, 2018