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Authors
Siemens, W.
Borenstein, M.
Evrenoglou, T.
Meerpohl, J.J.
Schwarzer, G.
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Funding
Funding for this research was provided by:
Universitätsklinikum Freiburg
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Article History
Received: 24 September 2025
Accepted: 25 November 2025
First Online: 7 December 2025
Declarations
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: We used secondary data published in two Cochrane Reviews. Ethical approval was therefore not necessary.
: Not applicable.
: The authors declare no competing interests.
