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Authors
Sällström, Torsten https://orcid.org/0009-0001-4818-2531
Wadell, Anna Turesson
Wanselius, Julia
Wallengren, Ola
Åkesson, Agneta
Landberg, Rikard
Lindroos, Anna Karin
Patterson, Emma
Moraeus, Lotta
Karlsson, Therese
Bärebring, Linnea
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Article History
Received: 13 February 2026
Accepted: 4 October 2026
First Online: 13 October 2026
Declarations
Human ethics and consent to participate: Ethical approvals for RM–Adults and RM–Adolescents were attained from Uppsala Regional Ethics Committee (No. 2015/190 and No. 2010/060 respectively), and from the Swedish Ethical Review Authority for RM–Young Children (No. 2021-03591) with additional approval to analyse the data at the University of Gothenburg (No. 2025-06848-01). Written or verbal informed consent was obtained from all participants or legal guardians of participants younger than 15 years old.
Consent for publication: Not applicable
Declaration on the use of generative AI: During the preparation of this work, Chat-GPT-5 was used to assist in developing code for statistical analyses and to improve the structure and readability of the text. The first author takes full responsibility for the content of the publication.
Competing interests: Prof. Rikard Landberg serves as Editor-in-Chief of Nutrition Journal but had no involvement in the peer review or editorial decision-making for this manuscript. Responsibility for the editorial process was delegated to another editor. All other authors declare no competing interests.
