Werner, Raphael Sven http://orcid.org/0000-0002-7323-716X
Lipps, Christoph
Waldhans, Stefan
Künzli, Andreas
Article History
Received: 24 September 2019
Accepted: 3 January 2020
First Online: 17 January 2020
Ethics approval and consent to participate
: Before data acquisition and analysis, approval was obtained by the local research ethics committee (Ethikkommission Ostschweiz, EKOS; Project-ID: 2017–00929).
: Not applicable.
: The authors declare that they have no competing interests.