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Article History

Received: 31 July 2017

Accepted: 9 April 2018

First Online: 2 May 2018

Ethical approval and consent to participate

: Ethical approval was obtained from the Ethic Committee of the University of Lübeck (Reference number: 16–103; date: 20th May 2016).For the qualitative study a written informed consent was obtained from all participants.For the quantitative study consent was received when the participants returned the anonymous questionnaire.This procedure was approved by the Ethic Committee.

: For the qualitative study we received from each participant an informed written consent to publish the anonymous quotes within a manuscript.For the quantitative study the cover letter of the questionnaire informed that data will be anonymously published. Consent was assumed by returning the anonymous questionnaire by the participant.

: The author KG is an associate editor for BMC Family Practice. The other authors declare that they have no competing interests.

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