Pietsch, Urs
Strapazzon, Giacomo
Ambühl, Dimitri
Lischke, Volker
Rauch, Simon
Knapp, Jürgen
Article History
Received: 18 November 2018
Accepted: 7 February 2019
First Online: 13 February 2019
Ethics approval and consent to participate
: This study was approved by the Swiss Ethics Committees on research involving humans, Project ID: 2017–00142.
: Not applicable.
: The authors declare that they have no competing interests.
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