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Authors
Papavero, Luca https://orcid.org/0000-0002-3664-8736
Ali, Nawar https://orcid.org/0000-0001-8657-730X
Schawjinski, Kathrin https://orcid.org/0000-0001-9477-0070
Holtdirk, Annette https://orcid.org/0000-0002-1777-2029
Maas, Rainer https://orcid.org/0000-0002-3923-7289
Ebert, Stella https://orcid.org/0000-0001-9162-8976
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Article History
Received: 16 May 2022
Accepted: 28 August 2022
First Online: 9 September 2022
Declarations
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: We declare that we have no conflict of interest.
: According to the Ethics Committee of the Federal State of Hamburg, Germany, retrospective observational studies do not require approval and patient informed consent whenever the data are required, saved, and treated anonymously (WF-198/20). This applies to the present study.
