Funding for this research was provided by:
Kuopion Yliopistollinen Sairaala (KUH5302463)
Received: 7 January 2020
Accepted: 3 May 2020
First Online: 12 May 2020
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of the Northern Savo Hospital District (number: 63/2011), and all participants provided written informed consent (enclosure).
: Not applicable.
: The authors declare that they have no competing interests.