Received: 6 October 2019
Accepted: 6 September 2020
First Online: 21 September 2020
Ethics approval and consent to participate
: The cantonal Swiss Ethics committee has decided that there is no need for ethical approval due to the involvement of stakeholders and because this study did not fall within the Human Research Act. Every participant signed an informed consent after having received written and oral information about the study. Anonymity and the possibility to interrupt or to stop taping was guaranteed to all participants.
: Not Applicable.
: The authors have no actual potential competing interests.