Multanen, Juhani https://orcid.org/0000-0003-0811-3504
Honkanen, Mikko
Häkkinen, Arja
Kiviranta, Ilkka
Funding for this research was provided by:
Helsinki University Hospital
Scientific Advisory Board for Defense
Academy of Finland (311587)
Article History
Received: 27 November 2017
Accepted: 7 May 2018
First Online: 22 May 2018
Ethics approval and consent to participate
: The local Medical Ethics Committee of Helsinki University Hospital approved the study plan (Approval number 37/13/03/02/2014). Written informed consent was obtained from participants prior to study start.
: The authors declare that they have no competing interests.
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