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Authors
Chrif, Farouk
Nef, Tobias
Hunt, Kenneth J
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Article History
Received: 18 March 2019
Accepted: 30 August 2019
First Online: 3 October 2019
Ethics approval and consent to participate
: This research was performed in accordance with the Declaration of Helsinki. The study was reviewed and approved by the Ethics Committee of the Swiss Canton of Bern (Ref.: Basec-Nr. 2016-01502). All participants provided written, informed consent.
: Written consent to publish was obtained from the participant shown in Fig. InternalRef removed.
: The authors declare that they have no competing interests.
