van Balkom, Tim D. http://orcid.org/0000-0002-6643-2776
Berendse, Henk W.
van der Werf, Ysbrand D.
Twisk, Jos W. R.
Zijlstra, Iris
Hagen, Rob H.
Berk, Tanja
Vriend, Chris
van den Heuvel, Odile A.
Funding for this research was provided by:
Brain Foundation of The Netherlands (HA-2017-00227)
Dutch Parkinson’s Disease Association (19-2015/MvHh)
Article History
Received: 21 May 2019
Accepted: 18 July 2019
First Online: 31 July 2019
Ethics approval and consent to participate
: Approval by the Medical Ethical Committee (METc) of the VU University Medical Center was obtained for the COGTIPS trial (METc registration number: 2016.543/NL58750.029.16). Participants in this study will provide written informed consent.
: Not applicable.
: The authors declare they have no competing interests.