Funding for this research was provided by:
Universitätsklinikum Jena
Article History
Received: 20 April 2026
Accepted: 15 July 2026
First Online: 8 August 2026
Declarations
Competing interests: The authors declare no competing interests.
Use of large language models: During the risk-of-bias assessment, a large language model (Claude, Anthropic) was used as one of three independent assessors of the risk-of-bias items. All model-generated ratings were independently reviewed and verified by a human author (JB), who retained final responsibility for every judgment. The tool was not used for the literature search, study screening, or data extraction. No AI tool met the ICMJE authorship criteria, and the authors take full responsibility for the integrity and content of the manuscript.