Leenders, A. M.
Schotanus, M. G. M. https://orcid.org/0000-0002-3975-6337
Wind, R. J. P.
Borghans, R. A. P.
Kort, N. P.
Article History
Received: 26 July 2017
Accepted: 23 April 2018
First Online: 30 April 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest regarding this study. One author, Nanne Kort, is a paid consultant for Zimmer-Biomet.
: The study was approved by the ethics committee of Zuyderland-Zuyd, number 16-N-106, date: 10 May 2016.
: For this type of study formal informed consent is not required.