Funding for this research was provided by:
Text and Data Mining valid from 2018-05-16
Received: 5 July 2017
Accepted: 18 April 2018
First Online: 16 May 2018
Ethics approval and consent to participate
: The study was reviewed by the Ethics Committee of the Radboud University Medical Centre Nijmegen (registration number 2010/403). All participants gave written informed consent. In case of cognitive deficits, both the participant and their primary caregiver/ legal representative consented.
: The authors declare that they have no competing interests.
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