Piirainen, Annika
Huopio, Jukka
Kokki, Hannu
Holopainen, Anu
Pajunen, Teemu
Pulkki, Kari
Kokki, Merja http://orcid.org/0000-0003-1501-7537
Funding for this research was provided by:
the Finnish governmental VTR-grant by Kuopio University Hospital
Article History
Received: 9 July 2018
Accepted: 20 September 2018
First Online: 25 September 2018
Ethics approval and consent to participate
: The study protocol was approved by the Research Ethics Committee of the Hospital District of Northern Savo, Kuopio, Finland (no. 52/2013, 8th Oct 2013) and it was conducted in accordance with the Declaration of Helsinki. The study was recorded inExternalRef removedDatabase (NCT02642731). All patients gave an informed written consent, and the study had institutional approval.
: All data generated or analysed during this study are included in this published article.
: The authors declare that they have no competing interests.
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