de Klerk, Rick http://orcid.org/0000-0003-2745-1963
Lutjeboer, Thijs
Vegter, Riemer J. K.
van der Woude, Lucas H. V.
Article History
Received: 4 October 2017
Accepted: 11 June 2018
First Online: 26 June 2018
Ethics approval and consent to participate
: All participants signed informed consent before the onset of the study after receiving detailed verbal and written information. The local ethical committee of the Center for Human Movement Sciences, University Medical Center Groningen, University of Groningen approved the study protocol.
: Not applicable.
: The authors declare that they have no competing interests.
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