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Article History

Received: 30 April 2018

Accepted: 1 October 2018

First Online: 24 October 2018

Ethics approval and consent to participate

: The research protocol was approved by the Medical Ethics Review Committee of VU University Medical Center. Before the interview, interviewees received an information letter and informed consent form. Before starting the interview information was given verbally and the interviewee signed an informed consent form, including consent to publish parts of the interview anonymously.

: Interviewees signed a consent for publication.

: The authors declare that they have no competing interests with respect to the research, authorship, and/or publication of this article.

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