Received: 7 December 2020
Accepted: 18 May 2021
First Online: 5 July 2021
: The research ethics committee of the Central Committee on Research involving Human Subjects region Arnhem-Nijmegen has reviewed this study and concluded that this study does not fall within the scope of the Medical Research Involving Human Subjects Act (WMO). This means that the study can be carried out without an approval by an accredited research ethics committee.
: Not applicable.
: All authors state that they have no financial or non-financial competing interests with regard to this study.