Tahkola, Kyösti http://orcid.org/0000-0002-1626-5690
Leppänen, Joni
Ahtiainen, Maarit
Väyrynen, Juha
Haapasaari, Kirsi-Maria
Karttunen, Tuomo
Kellokumpu, Ilmo
Helminen, Olli
Böhm, Jan
Funding for this research was provided by:
Instrumentariumin Tiedesäätiö
Finnish State Research Funding
Article History
Received: 22 November 2018
Revised: 28 January 2019
Accepted: 21 February 2019
First Online: 7 March 2019
Compliance with ethical standards
: The use of patient samples and the data inquiry were approved by the Oulu University Hospital Ethics Committee. The need to obtain written or oral consent from patients to use their samples in research was waived by the Finnish National Authority for Medicolegal Affairs (VALVIRA, Dnro 10832/06.01.03.01/2014).
: The authors declare that they have no conflict of interest.