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Authors
Siegwart, L. C.
Sieber, L.
Fischer, S.
Diehm, Y.
Hirche, C.
Kneser, U.
Kotsougiani-Fischer, D. https://orcid.org/0000-0003-2685-1105
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Article History
Received: 22 September 2020
Accepted: 10 December 2020
First Online: 19 January 2021
Compliance with Ethical Standards
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: The authors have no conflict of interest to declare.
: This study was approved by the local ethical committee [837.516.16 (10834)] and a retrospective cohort study was designed following the ethical standards laid down in the World Medical Association Declaration of Helsinki (June 1964) and its later amendments.
: Informed consent was obtained from all study participants.
