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Authors
Sutter, Eveline https://orcid.org/0000-0003-1826-5528
Valdec, Silvio
Bichsel, Dominique
Wiedemeier, Daniel
Rücker, Martin
Stadlinger, Bernd
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Article History
Received: 10 June 2019
Accepted: 4 November 2019
First Online: 22 November 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study protocol was approved by the Cantonal Ethics Committee of Zurich (ID 2018-01085), who waived the usual requirement for informed consent.
