Dennler, Cyrill https://orcid.org/0000-0001-5063-5897
Jaberg, Laurenz
Spirig, José
Agten, Christoph
Götschi, Tobias
Fürnstahl, Philipp
Farshad, Mazda
Article History
Received: 1 October 2019
Accepted: 29 April 2020
First Online: 14 May 2020
Ethics approval and consent to participate
: Not applicable
: Not applicable
: See submitted statements of conflict of interest. One author, MF, states that he is the founder of a company developing AR-based navigation method. This involvement, however, is not a direct conflict of interest. The other authors declare that they have no competing interests.