Funding for this research was provided by:
Academic collaboration centre Sterker op eigen benen
Received: 7 December 2017
Accepted: 5 July 2018
First Online: 16 July 2018
Ethics approval and consent to participate
: This research has been performed in accordance with the Declaration of Helsinki. Written informed consent was obtained from all participants, which is described in detail in the manuscript. The Medical Research Ethics Committee of the Radboud University and Medical Centre deemed the study not to fall within the remit of the Medical Research Involving Human Subjects Act, and this study was therefore exempted from full review (registration number 2016–2593).
: Not applicable, this manuscript does not contain any individual person’s data.
: The authors declare that they have no competing interests.
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