Tiisanoja, Antti http://orcid.org/0000-0002-5655-1704
Syrjälä, Anna-Maija
Anttonen, Vuokko
Ylöstalo, Pekka
Funding for this research was provided by:
University of Oulu (No. 24000692)
Oulu University Hospital (No. 24301140)
European Regional Development Fund (No. 539/2010 A31592)
Suomen Hammaslääkäriseura Apollonia
Article History
Received: 14 October 2019
Accepted: 29 July 2020
First Online: 3 August 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in the studies involving human participants were in accordance with the ethical standards of the institutional Ethical Committee of the Northern Ostrobothnia Hospital District (2/2012) and with the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.