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Authors
Pelicioni, Paulo H. S. https://orcid.org/0000-0003-3168-3388
Waller, Sophie https://orcid.org/0000-0001-8567-6111
Chan, Lloyd https://orcid.org/0000-0001-8538-950X
Krishnan, Arun V. https://orcid.org/0000-0001-8883-8825
Lord, Stephen R. https://orcid.org/0000-0002-7111-8802
Brodie, Matthew A. https://orcid.org/0000-0002-5711-3458
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Funding
Funding for this research was provided by:
University of New South Wales
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Article History
Received: 22 May 2026
Accepted: 27 July 2026
First Online: 8 August 2026
Declarations
Conflict of interest: LC, MB and SL report an agreement with SpaceTalk Inc. to commercialise the Watch Walk algorithms, under which they may receive royalty payments. The Watch Walk algorithm is also freely available to research groups via an online platform ( ). The remaining authors declare no competing interests.
Ethical approval: This study was conducted using data from the UK Biobank, which received ethical approval from the North West Multi-Centre Research Ethics Committee (Ref: 11/NW/0382). All participants provided informed consent. The study was conducted in accordance with the Declaration of Helsinki and relevant guidelines and regulations.
