Funding for this research was provided by:
Opetus- ja Kulttuuriministeriö (OKM/10/626/2014 and OKM/89/626/2015)
the Competitive State Research Financing of the Expert Responsibility area of Tampere University Hospital (Grant 9S047 and 9T046)
The Scientific Council of City of Tampere
Received: 19 September 2017
Accepted: 8 February 2018
First Online: 15 February 2018
Ethics approval and consent to participate
: The study protocol has been approved by the Ethics Committee of the University of Jyväskylä. Written informed consent was not required; instead a protocol of passive consent was approved by the ethical committee of the University of Jyväskylä, when permitting approval to the study protocol.
: Not applicable.
: The authors declare that they have no competing interests.
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