Funding for this research was provided by:
Nederlandse Organisatie voor Wetenschappelijk Onderzoek (023.006.043)
Received: 8 March 2020
Accepted: 28 May 2020
First Online: 31 July 2020
Ethics approval and consent to participate
: All participants provided informed consent when starting the web survey and before they were asked substantive questions.Ethical approval was obtained by the Institutional Review Board of the Radboud university medical center, Nijmegen (protocol number: 2017–3621).
: Not applicable.
: The authors declare: There are no benefits from commercial sources, no other financial interests and no conflicts of interest.