Text and Data Mining valid from 2019-05-02
Received: 21 November 2017
Accepted: 15 April 2019
First Online: 2 May 2019
Ethics approval and consent to participate
: Approval was obtained by the local ethic committee. Confirmation was given of the local ethic review board (Ethik-Kommission- der Landesärztekammer Rheinland-Pfalz) on 13th august 2015.). All participants contributed to the study voluntarily. Approval was given verbally and documented in source data before the interviews started. Verbal consent to participation was openly discussed in the ethics application and was no reason for complaint.
: Not Applicable.
: The authors declare they have no competing interests.
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