*Department of Surgery, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands

†Department of Surgery, Amsterdam UMC, location VUmc, Amsterdam, The Netherlands

‡Department of Radiotherapy, Amsterdam UMC, Amsterdam, The Netherlands

§Department of Medical Oncology, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands

∥Department of Surgery, Martini Ziekenhuis, Groningen, The Netherlands

¶Department of Surgery, Leiden University Medical Center, Leiden, The Netherlands

#Department of Surgery, Albert Schweitzer Ziekenhuis, Dordrecht, The Netherlands

**Department of Surgery, MC Leeuwarden, Leeuwarden, The Netherlands

††Department of Surgery, Gelre Ziekenhuis, Apeldoorn, The Netherlands

‡‡Department of Surgery, University Medical Centre Groningen, University of Groningen, Groningen, The Netherlands

§§Department of Surgery, Ziekenhuisgroep Twente, Almelo, The Netherlands

∥∥Department of Surgery, Isala Klinieken, Zwolle, The Netherlands

¶¶Department of Surgery, Reinier de Graaf Groep, Delft, The Netherlands

##Department of Surgery, IJsselland Ziekenhuis, Capelle aan den IJssel, The Netherlands

***Department of Surgery, Spaarne Gasthuis, Haarlem, The Netherlands

†††Department of Surgery, Maasstad Ziekenhuis, Rotterdam, The Netherlands

‡‡‡Department of Surgery, Elisabeth-Tweesteden Ziekenhuis, Tilburg, The Netherlands

§§§Department of Surgery, UMC Utrecht, Utrecht, The Netherlands

∥∥∥Department of Surgery, Antoni van Leeuwenhoek Ziekenhuis, Amsterdam, The Netherlands

¶¶¶Department of Surgery, Erasmus MC, Rotterdam, The Netherlands

###Department of Surgery, Zuyderland, Heerlen, The Netherlands

****Department of Surgery, St Antonius Ziekenhuis, Nieuwegein, The Netherlands

††††Department of Surgery, Catharina Ziekenhuis, Eindhoven, The Netherlands

‡‡‡‡Department of Surgery, Canisius Wilhelmina Ziekenhuis, Nijmegen, The Netherlands

§§§§Department of Surgery, Radboud University Medical Center, Nijmegen, The Netherlands

M.C.K. and S.P.G.H.: shared first authorship, both authors contributed equally to this article.

The author contributions can be seen in the SDC file.

M.D.P.L. received research grants from Galvani and Medtronic. G.A.P.N. reports consulting fees and research grants from Medtronic. C.R. has received research grants from Johnson&Johnson and Medtronic. M.I.v.B.H. reports research grants from Olympus and Stryker, in addition to consulting fees from Medtronic, Alesi Surgical, Johnson&Johnson, and Mylan. M.G.H.v.O. has received unrestricted research grants from Bayer, Lilly, Merck Serono, Nordic, Servier, and Roche. The remaining authors report no conflicts of interest.

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