Received: 4 March 2020
Accepted: 9 September 2020
First Online: 13 October 2020
Ethics approval and consent to participate
: Bern’s cantonal ethics committee approved this study and analysis of the data (Project ID: 2016-01539).
: Not applicable.
: The authors declare that there is no conflict of interest regarding the publication of this article.Outside of the affiliations listed, the authors have no financial or other relevant links to companies with an interest in the topic of this article. The content is solely the responsibility of the authors.