Leikola, Junnu
Heliƶvaara, Arja
Koivikko, Mika
Koljonen, Virve
Funding for this research was provided by:
University of Helsinki including Helsinki University Central Hospital
Article History
Received: 27 March 2018
Accepted: 17 December 2018
First Online: 7 January 2019
Compliance with ethical standards
: The study protocol was approved by Helsinki University Central Hospital. Principles outlined in the Declaration of Helsinki were followed.
: The authors declare that they have no conflict of interest.
: The authors have no financial disclosures to report in relation to the content of this article.