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Article History

Received: 8 April 2023

Accepted: 12 July 2023

First Online: 20 July 2023

Declarations

:

: The Federal Statistical Office provided all data used. Due to institutional anonymisation, no conclusions about individual patients can be drawn. According to §21KHEntgG, reimbursement data are free for scientific use. The Ethics Committee of the University Hospital Frankfurt waived the need for ethical committee approval for this study (Chair: Prof Dr Harder, Ref: 2022-766). All data processing was performed according to the Declaration of Helsinki.

: Not applicable.

: The authors declare that they have no competing interests.