Funding for this research was provided by:
FinnHEMS Research and Development Unit
Received: 2 January 2018
Accepted: 3 May 2018
First Online: 15 May 2018
Ethics approval and consent to participate
: The Medical Ethics Committee of the Northern Savo Hospital District has approved this study on 25 April 2017 (141/2017).
: The authors declared that they have no competing interests.