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Authors
Elshamly, Mahmoud
Windhager, Reinhard
Toegel, Stefan
Grohs, Josef Georg http://orcid.org/0000-0001-6109-8417
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Article History
Received: 14 October 2019
Accepted: 4 June 2020
First Online: 16 June 2020
Ethics approval and consent to participate
: A positive vote of the ethics committee of the Medical University of Vienna, Austria, was obtained for the study (ethics committee approval number: 1156/2017).
: Not applicable.
: The authors declare that they have no competing interests.
