Funding for this research was provided by:
KWF Kankerbestrijding (KUN2011-5259)
Text and Data Mining valid from 2019-02-12
First Online: 12 February 2019
Compliance with Ethical Standards
: Hanneke Poort, Patrick Onghena, Harriët J.G. Abrahams, Heather S.L. Jim, Paul B. Jacobsen, Nicole M.A. Blijlevens, and Hans Knoop declares that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.