Pulkkinen, Ilkka http://orcid.org/0000-0002-9027-9759
Pirnes, Jari
Rissanen, Ari
Laukkanen-Nevala, Päivi
Funding for this research was provided by:
FinnHEMS Oy
Article History
Received: 1 October 2018
Accepted: 30 January 2019
First Online: 12 February 2019
Competing interests
: The authors declare that they have no competing of interest.This study was presented orally and with a poster at the AIRMED World Congress in Warsaw, Poland, 12th–14th of June 2018.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.