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Authors
Göllner, Nicolas
Winkler, Jonas https://orcid.org/0000-0001-9716-1000
Göllner, Peter
Gkantidis, Nikolaos
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Article History
Received: 13 February 2019
Accepted: 28 April 2019
First Online: 10 June 2019
Ethics approval and consent to participate
: The protocol of this study has been reviewed and approved by the Swiss Ethics Committee (reference no. 2015–00084).
: Consent for publication was obtained.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
