Funding for this research was provided by:
KWF Kankerbestrijding (UU 2012-5710, UVA 2013-6331)
Maag Lever Darm Stichting (FP13-20)
Cancer Genomics Centre
European Research Council (ERC-20120AdG-322737)
Daniel den Hoed Foundation
Received: 25 September 2017
Accepted: 14 June 2018
First Online: 22 June 2018
Ethics approval and consent to participate
: All patients gave written informed consent for the collection and use of both clinical data and tumor tissue (Institutional Review Board Erasmus MC University Medical Center; MEC-2007-088).
: Not applicable.
: The authors declare that they have no competing interests.