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Authors
Hüppe, Tobias https://orcid.org/0000-0002-4515-9758
Groesdonk, Heinrich Volker
Volk, Thomas
Wagenpfeil, Stefan
Wallrich, Benedict
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Article History
Received: 21 March 2019
Accepted: 13 September 2019
First Online: 22 October 2019
Ethics approval and consent to participate
: An approval by the ethics committee as well as a patient consent was not necessary after consultation with the authority (Ärztekammer des Saarlandes, Germany).
: Not applicable.
: The authors declare that they have no competing interests.
