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Authors
Schellenberg, Valeria
Neugebauer, Till
Yilmaz-Aslan, Yüce
Brzoska, Patrick
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Funding
Funding for this research was provided by:
Private Universität Witten/Herdecke gGmbH
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Article History
Received: 28 August 2025
Accepted: 21 January 2026
First Online: 13 February 2026
Declarations
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: The analysis is based on secondary, publicly available, aggregated data available from the Federal Statistical Office free of charge. Taking into account national guidelines and recommendations for secondary data analysis, no further ethical endorsement was required for this analysis.
: Not applicable.
: The authors declare no competing interests.
