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Authors
Jacob, Ricarda https://orcid.org/0009-0005-5833-4534
Otto, Alexandra
Jarvers, Irina
Kandsperger, Stephanie
Ecker, Angelika
Schleicher, Daniel
Malloni, Wilhelm M.
Neumann, Inga D.
Brunner, Romuald
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Funding
Funding for this research was provided by:
Universität Regensburg
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Article History
Received: 16 June 2025
Accepted: 3 December 2025
First Online: 10 December 2025
Declarations
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: The authors assert that all procedures contributing to this work comply with the ethical standards of the relevant national and institutional committees on human experimentation and with the Helsinki Declaration of 1975, as revised in 2013. The study received ethical approval from the ethics committee at the University of Regensburg (reference number: 23-3407-101, approval date: 26 July 2023). Written informed consent is obtained from all participants and their accompanying parent or legal guardian. Participation is voluntary and withdrawal from the study is possible at any time. Collected saliva samples will be sent to external laboratories for analysis, ensuring no possibility of participant identification.
: Not applicable.
: The authors declare no competing interests.
