Krieg, Andreas https://orcid.org/0000-0003-2496-1079
Kolbe, Ernst W.
Wieltsch, Jan H.
Leerhoff, Sabine
Krieg, Sarah
Kostev, Karel
Funding for this research was provided by:
Ruhr-Universität Bochum
Article History
Received: 24 February 2025
Accepted: 16 August 2025
First Online: 18 September 2025
Declarations
:
: The authors have no relevant financial or non-financial interests to disclose.
: According to the German 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.
: The manuscript does not contain any individual personal data. All data are presented on aggregate so that no individual can be identified.
: The database used includes only anonymized data in compliance with the regulations of the applicable data protection laws. German law allows the use of anonymous electronic medical records for research purposes under certain conditions.