Funding for this research was provided by:
KWF Kankerbestrijding (10392)
Received: 3 June 2020
Accepted: 24 September 2020
First Online: 7 October 2020
Ethics approval and consent to participate
: The Arnhem-Nijmegen Medical Research Ethics Committee (2017–3623) ruled that no formal ethics approval was required in this particular case. The committee decided that the study did not fall within the remit of the Medical Research Involving Human Subjects Act (Dutch: WMO) and had no objections to this study taking place.All participants were informed (verbally and in writing) about the study and signed an informed consent form. Participants’ anonymity was assured and they could withdraw from the study at any time.
: Not applicable.
: The authors declare that they have no competing interests.