Funding for this research was provided by:
Ministerie van Volksgezondheid, Welzijn en Sport (321580)
Text and Data Mining valid from 2018-05-02
Received: 14 November 2017
Accepted: 23 April 2018
First Online: 2 May 2018
Ethics approval and consent to participate
: The research ethics committee of the region Arnhem Nijmegen in the Netherlands concluded that this study did not fall within the scope of the Medical Research Involving Human Subjects Act (WMO) (registration number 2014/298). Written informed consent was obtained from all interviewees.
: The authors declare that they have no competing interests.
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