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Authors
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Funding
Funding for this research was provided by:
Bundesministerium für Familie, Senioren, Frauen und Jugend (301-6084-08/64*16)
Universität zu Köln
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Article History
Received: 12 July 2024
Accepted: 2 October 2025
First Online: 18 November 2025
Declarations
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: J. Wenner, A. Albrecht, and J. Zimmermann declare that they have no competing interests.
: Not applicable.
: The ethical committee of the Medical Faculty at the University of Cologne approved the study protocol of D80+ (Protocol #:19-1387_1). All participants provided informed consent for participation. All study procedures were conducted in accordance with relevant ethical guidelines and regulations.
