Correction: Clinical Research in Cardiology https://doi.org/10.1007/s00392-023-02296-z

During the proof-process, a reference had been accidentally removed. In paragraph 3 of the ‘Background’-section (at the end of the first sentence), the following reference should have been added:

“Heber R, Levsen A, Offermanns M. Meaningfulness of hospital structure and quality comparisons based on OECD data. [Aussagekraft von Krankenhausstruktur- und Qualitätsvergleichen auf Basis von OECD-Daten. Düsseldorf: Deutsches Krankenhausinstitut; 2021”.

The Original Article has been updated.