Received: 15 March 2021
Accepted: 17 May 2021
First Online: 28 May 2021
: Ethical approval was received from the MoHSP (Date: 1.11.2018; order number: 1–6/7747–7306). Participants were invited to participate. The invitation email included information on the purpose and approach of the evaluation. Further invitees were informed, that participation is voluntary and can be withdrawn any time without consequences; and that with participation consent was automatically provided. Prior to start of the evaluation participants this was reiterated by reading out a standardized information sheet. Participants were also informed that results will be fully encrypted and may be published. Participants were compensated for travel costs but did not receive further incentives.
: Not applicable.
: The authors declare that they have no competing interests.