Claassen, Aniek A. O. M. http://orcid.org/0000-0001-6337-3734
Schers, Henk J.
Busch, Vincent J. J. F.
Heesterbeek, Petra J. C.
van den Hoogen, Frank H. J.
Vliet Vlieland, Thea P. M.
van den Ende, Cornelia H. M.
Article History
Received: 7 January 2020
Accepted: 7 May 2020
First Online: 15 May 2020
Ethics approval and consent to participate
: This study was performed in accordance with the Declaration of Helsinki. The need for ethics approval was waived. The local Medical Research Ethics Committee, region Arnhem-Nijmegen (study no. 2016–3096) provided an exemption, as this type of study does not require approval from an ethics committee in the Netherlands according to the Central Committee on Research involving Human Subjects. All participants gave their informed consent to participate in the present study by ticking several boxes on an online form confirming that they read the provided information and that their data could be used for the research purposes. The ethics committee approved this procedure.
: Not applicable.
: The authors declare that they have no competing interests.