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Authors
Rautio, Nina
Säynäjäkangas, Veera
Lankila, Tiina
Puhakka, Soile
Leinonen, Anna-Maiju
Bigas i Reverter, Jordina
Seppälä, Jussi
Korpelainen, Raija
Timonen, Markku
Levola, Jonna
Miettunen, Jouko
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Funding
Funding for this research was provided by:
University of Oulu
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Article History
Received: 26 January 2026
Accepted: 18 June 2026
First Online: 17 July 2026
Declarations
Competing interests: The authors declare no competing interests.
Informed consent: Written informed consent was obtained from all participants.
Ethics approval: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The study was approved by the Ethical Committee of the Northern Ostrobothnia Hospital District 94/2011 (12.12.2011).
