van der Velden, Charlotte A. https://orcid.org/0000-0002-4940-1951
van der Steen, M. C.
Leenders, Jens
van Douveren, Florens Q. M. P.
Janssen, Rob P. A.
Reijman, Max
Article History
Received: 10 March 2019
Accepted: 30 April 2019
First Online: 22 May 2019
Ethics approval and consent to participate
: The local Daily Board of the Medical Ethics Committee (METC), Maxima Medical Centre, approved this study (METC nr: 2014–53) and co-developers of the original Pedi-IKDC and KOOS-Child were informed. Written informed consent was obtained from patients and parents/caregivers.
: Not applicable
: The authors declare that they have no competing interests.
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