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Authors
Parkkila, Karri
Valtonen, Rasmus I. P.
Hiltunen, Leena
Hintsala, Heidi E.
Jaakkola, Jouni J. K.
Ikäheimo, Tiina M.
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Article History
Received: 14 October 2020
Accepted: 21 January 2021
First Online: 16 February 2021
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of the Northern Ostrobothnia Hospital District. The study follows the declaration of Helsinki and the legislation, decrees and ethical principles concerning medical research on humans. The participants received both oral and written information of the study and all participants signed an informed consent.
: Not applicable.
: The authors declare that they have no competing interests.
