Received: 3 April 2021
Accepted: 19 July 2021
First Online: 31 July 2021
: All study-related procedures were conducted in accordance with national law and the Declaration of Helsinki (current, revised version of 2013). The study was reviewed and approved by the cantonal Swiss Ethics Committee on research involving humans (swissethics (Swiss Association of Research Ethics Committees) BASEC number: 2017-00285)). Written and informed consent was obtained from all participants included in the study.
: Not applicable.
: The authors declare that they have no competing interests.