Kröger, Knut
Wiemes, Karsten
Santosa, Frans
Böhner, Hinrich
Lax, Hildegard
Stolpe, Susanne
Kowall, Bernd
Stang, Andreas
Article History
Received: 19 May 2025
Accepted: 6 August 2025
First Online: 8 September 2025
Declarations
:
: Ethical approval is not available. According to the professional code for physicians in North Rhine-Westphalia, retrospective epidemiological research projects are excluded from the requirement of an ethics vote.
: K. Kröger has received speaker’s fees from Amgen. The other authors do not have any conflict of interest.