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Authors
Vaughan, Karen L.
Buoncristiano, Marta
Williams, Julienne
Duleva, Vessel
Hejgaard, Tatjana
Susovits, Kitti
Abdrakhmanova, Shynar
Petrauskiene, Ausra
Racu, Maria-Victoria
Spiroski, Igor
Hetherington, Marion M.
Cade, Janet E.
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Article History
Received: 11 October 2025
Accepted: 12 February 2026
First Online: 28 February 2026
Declarations
:
: The authors declare no competing interests.
: Ethics approval for this study was granted on 29th October 2024, by the School of Business, Environment and Social Sciences Committee at the University of Leeds (The Secretariat, University of Leeds, LS2 9NL, UK; +44 (0)113 343 2876; researchethics@leeds.ac.uk), ref: 2121. Ethics approvals for the data collections in all countries participating in COSI was granted by local ethics committees. Parents gave consent and children assented to be measured.
: All authors have given consent for publication.
