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Authors
Lindmark, Tomas https://orcid.org/0000-0003-0979-3986
Hallman, David https://orcid.org/0000-0002-2741-1868
Bergström, Gunnar https://orcid.org/0000-0002-0161-160X
Strömberg, Annika https://orcid.org/0000-0001-7261-3496
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Funding
Funding for this research was provided by:
Uppsala University
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Article History
Received: 25 April 2026
Accepted: 24 July 2026
First Online: 29 July 2026
Declarations
Ethical approval and consent to participate: This study is part of the FLOC research programme [ ] and was ethically approved by the Swedish Ethical Review Authority (reg. no. 2019–06220). All study procedures adhered to the ethical principles of the Declaration of Helsinki [ ]. All participants received written and oral information about the study’s purpose, data storage, confidentiality, and their right to withdraw at any time. Informed consent was obtained prior to data collection. All data were handled in accordance with the General Data Protection Regulation (GDPR), stored securely, and access was limited to the research team.
Consent for publication: Not applicable.
Competing interests: The authors declare no competing interests.
