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Authors
Jacob, Louis https://orcid.org/0000-0003-1071-1239
Kalder, Matthias
Kostev, Karel https://orcid.org/0000-0002-2124-7227
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Article History
Received: 20 November 2021
Accepted: 11 January 2022
First Online: 18 January 2022
Declarations
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: The authors declare no competing financial interests.
: German law allows the use of anonymous electronic medical records for research purposes under certain conditions. According to this legislation, it is not necessary to obtain informed consent from patients or approval from a medical ethics committee for this type of observational study that contains no directly identifiable data.
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