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Article History

Received: 22 May 2022

Accepted: 8 August 2022

First Online: 18 August 2022

Declarations

:

: The authors have no relevant financial or non-financial interests to disclose. The authors have no competing interests to declare that are relevant to the content of this article. All authors certify that they have no affiliations with or involvement in any organization or entity with any financial interest or non-financial interest in the subject matter or materials discussed in this manuscript. The authors have no financial or proprietary interests in any material discussed in this article.

: Requirement for informed consent was waived on account of the retrospective nature of the study.

: The study was approved by the ethics committee of the Brandenburg Medical School Theodor Fontane (E-01-20200622).