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Authors
Nortunen, Minna https://orcid.org/0000-0003-0928-150X
Väkiparta, Nina
Parkkila, Seppo
Saarnio, Juha
Huhta, Heikki
Karttunen, Tuomo J.
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Funding
Funding for this research was provided by:
Thelma Makikyro Foundation
Mary and Georg C. Ehrnrooths Foundation
University of Oulu including Oulu University Hospital
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Article History
Received: 13 November 2020
Accepted: 30 March 2021
First Online: 30 April 2021
Declarations
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: The authors declare that they have no conflicts of interest.
: All procedures performed in our study were in accordance with the ethical standards of the institutional research committee and with the 1964 Declaration of Helsinki and its later amendments. For this type of study, formal consent is not required. Regional Ethical Committee Approval No: EETTMK: 81/2008. Valvira (National Licensing and Supervising Agency for Social Affairs and Health) Approval No: 10832/06.01.03.01/2014. This article does not contain any studies with animals performed by any of the authors.
