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Authors
Ruohoalho, Johanna https://orcid.org/0000-0002-6773-0273
Aro, Katri
Mäkitie, Antti A.
Atula, Timo
Haapaniemi, Aaro
Keski-Säntti, Harri
Kylänpää, Leena
Takala, Annika
Bäck, Leif J.
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Article History
Received: 26 May 2017
Accepted: 24 August 2017
First Online: 1 September 2017
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: 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.
: Informed consent was obtained from all individual participants included in the study.
