Funding for this research was provided by:
Charité - Universitätsmedizin Berlin
Received: 30 August 2021
Accepted: 9 August 2022
First Online: 26 August 2022
: This research was approved by the data protection office at the Charité – Universitätsmedizin Berlin on the 9th of June 2017 and by the ethics committee at the Charité – Universitätsmedizin Berlin on the 21st of September 2017. Anonymity was assured; a consent form was signed by the participants, who also provided basic demographic data.
: Not applicable.
: The authors declare that they have no competing interests.