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Authors
Scherer, Julian http://orcid.org/0000-0001-8943-5817
Keller, Frank
Pape, Hans-Christoph
Osterhoff, Georg
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Article History
Received: 7 August 2020
Accepted: 28 September 2020
First Online: 7 October 2020
Ethics approval and consent to participate
: The institutional ethics committee (Clinical Trial Center of the University Hospital of Zurich) ruled that no formal ethics approval was required. Patients gave consent by participating in this survey.
: Not Applicable.
: All authors certify that no conflicts of interest exist that need to be reported.
