Funding for this research was provided by:
KWF Kankerbestrijding (UM 2014-7210)
Received: 1 November 2017
Accepted: 4 June 2018
First Online: 15 June 2018
Ethics approval and consent to participate
: The ITC Netherlands Surveys received ethics clearance from the University of Waterloo’s Office of Research Ethics. We received permission from the ITC Policy Evaluation Project to use this study’s data.
: The authors declare that they have no competing interests.
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