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Article History

Received: 30 August 2021

Accepted: 9 August 2022

First Online: 26 August 2022

Declarations

:

: 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.