Funding for this research was provided by:
Käthe-Zingg-Schwichtenberg (KZS) Fonds of the Swiss Academy of Medical Sciences (KZS 20/17)
Article History
Received: 13 May 2019
Accepted: 9 December 2019
First Online: 19 December 2019
Ethics approval and consent to participate
: Prior to recruitment, the study obtained a statement of non-objection from the Ethics Committee Northwest/Central Switzerland (EKNZ) confirming that the study does not fall under the Human Research Act (HRA). Based on the EKNZ’s clarification of responsibility of multicenter projects, no additional approval from other sites was required. A signed informed consent was obtained from the interviewees prior to the interviews. Extensive information about the study was provided orally and in written form by the interviewer. All study participants were given the opportunity to withdraw their consent at any time.
: Not applicable.
: The authors declare that they have no competing interests.