Perrin, Joël
Streeck, Nina
Naef, Rahel
Rufer, Michael
Peng-Keller, Simon
Rettke, Horst
Article History
Received: 7 December 2020
Accepted: 7 May 2021
First Online: 26 May 2021
Declarations
:
: The study was conducted in accordance with the Declaration of Helsinki (World Medical Association, 2013) and the principles of Good Clinical Practice. Approved by the Zurich Cantonal Ethics Committee (KEK Zurich 2017–01229). All participants were of age 18 or older. Informed consent was obtained from each participant prior to the focus group interview.
: Not applicable.
: The authors declare that they have no competing interests.