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Authors
Paloniemi, Elina
Mikkola, Ilona
Vatjus, Ritva
Jokelainen, Jari
Timonen, Markku
Hagnäs, Maria
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Article History
Received: 30 September 2020
Accepted: 3 February 2021
First Online: 18 February 2021
Ethics approval and consent to participate
: The study protocol was approved by the Ethics Committee of the Northern Ostrobotnia Hospital District, Finland in August 2017. All participants have signed the informed consent form. All methods were performed in accordance with the relevant guidelines and regulations.
: All the authors give the Publisher the consent for publication.
: The authors declare that they have no competing interests.
