Kokki, Hannu http://orcid.org/0000-0001-5922-7195
Maaroos, Martin
Ellam, Sten
Halonen, Jari
Ojanperä, Ilkka
Ranta, Merja
Ranta, Veli-Pekka
Tolonen, Aleksandra
Lindberg, Oscar
Viitala, Matias
Hartikainen, Juha
Funding for this research was provided by:
Olvi Säätiö, Iisalmi, Finland
Governmental VTR funding of the Hospital District of Northern Savo, Kuopio, Finland
Article History
Received: 11 November 2017
Accepted: 28 February 2018
First Online: 9 March 2018
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.