Funding for this research was provided by:
KWF Kankerbestrijding (UW2011-4987, UW2011-5268)
Received: 18 June 2018
Accepted: 11 December 2018
First Online: 5 January 2019
Ethics approval and consent to participate
: Ethics approval for the parent study was given by Medical Ethics Committee of the Wageningen University, The Netherlands (ABR NL40666.081.12) and the Scientific Advisory Committee VUMC/VU. Informed written consent to participate was obtained for the study by the study team.Participating hospitals in the Netherlands:Hospital Gelderse Vallei, Ede.Maxima Medisch Centrum, Eindhoven / Veldhoven.Reinier de Graaf Groep, Delft.OLVG, Amsterdam.Amphia Hospital, Breda.Canisius Wilhelmina Hospital, Nijmegen.UMC St. Radboud, Nijmegen.Alexander Monro Hospital, Bilthoven.ISALA klinieken, Zwolle.St. Antoniusziekenhuis, Nieuwegein.St Anna Hospital, Geldrop.
: Not applicable
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.