Kekkonen, Virve http://orcid.org/0000-0002-2255-6689
Kraav, Siiri-Liisi
Hintikka, Jukka
Kivimäki, Petri
Kaarre, Outi
Tolmunen, Tommi
Funding for this research was provided by:
University of Eastern Finland
Article History
Accepted: 13 June 2024
First Online: 4 July 2024
Declarations
:
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and national research committee and with the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards. The study design was approved by the Research Ethics Committee of Kuopio University Hospital (no. 77/2010) and the Finnish Institute for Health and Welfare (no. THL/1628/5.05.00/2010).
: Before the study, written informed consent was obtained from all individual participants included in the study and from the parents of those aged below 15 years. All participants had the possibility to withdraw from the study at any time without explanation.
: All the authors declare that they have no competing interests to report.