Laajala, Aleksi http://orcid.org/0000-0001-5202-7828
Autio, Timo J.
Ohtonen, Pasi
Alho, Olli-Pekka
Koskenkorva, Timo J.
Article History
Received: 8 December 2019
Accepted: 27 January 2020
First Online: 14 February 2020
Conflict of interest
: The authors declare that there is no conflict of interest.
: The Regional Ethics Committee of the Northern Ostrobothnia Hospital District approved the study protocol.
: All participants provided written informed consent.