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Article History

Received: 6 February 2019

Accepted: 21 November 2019

First Online: 27 November 2019

Ethics approval and consent to participate

: Oral and written information were given to all participants of the study, either within the evaluation of the project or prior to the focus group discussions. Each of them gave a written informed consent to participate in this study and agreed to audio-tape the interviews. The participation was voluntary, confidential and participants could withdraw from the study at any time without any explanation. The data obtained were treated confidentially and stored securely within the research group. A jurisdictional inquiry to the Ethics Committee of Northwest and Central Switzerland (EKNZ) confirmed that this research project does not need ethical approval but fulfils the general ethical and scientific standards for research with humans (EKNZ Req-2018-01023).

: Not applicable.

: The authors declare that they have no competing interests.