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Authors
Günther, Moritz Philipp https://orcid.org/0000-0002-7707-5532
Lau, Steffen https://orcid.org/0000-0002-3175-3457
Kling, Sabine https://orcid.org/0000-0001-7202-7200
Sonnweber, Martina https://orcid.org/0000-0002-9280-3286
Habermeyer, Elmar https://orcid.org/0000-0003-2136-878X
Kirchebner, Johannes https://orcid.org/0000-0002-6072-9958
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Article History
Received: 2 November 2020
Accepted: 7 March 2021
First Online: 13 March 2021
Declarations
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: The study was reviewed and approved by the Cantonal Ethics committee of Zurich, Switzerland (Ref.-No. KEK-ZH-NR 2014-0480). This is a retrospective study. For this type of study, formal consent is not required. The authors assert that all the procedures contributing to this work comply with the ethical standards of the relevant national and institutional committees on human experimentation and with the Helsinki Declaration of 1975, as revised in 2008.
: Not applicable.
: The authors declare that they have no competing interests.
