Rannisto, Satu http://orcid.org/0000-0002-0395-4016
Okuloff, Annaleena
Uitti, Jukka
Paananen, Markus
Rannisto, Pasi-Heikki
Malmivaara, Antti
Karppinen, Jaro
Article History
Received: 23 May 2018
Accepted: 25 February 2019
First Online: 14 March 2019
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of the Central Hospital of Southern Ostrobothnia (11/2006), and followed the principles of the Declaration of Helsinki. All participants took part on a voluntary basis and signed their informed consent.
: Not Applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.