Velhonoja, Jarno http://orcid.org/0000-0003-1988-9770
Lääveri, Meira
Soukka, Tero
Irjala, Heikki
Kinnunen, Ilpo
Article History
Received: 13 October 2019
Accepted: 24 November 2019
First Online: 3 December 2019
Compliance with ethical standards
:
: The authors declare that there are no potential conflicts of interests. No funding was received for this study.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. This research involved only patient charts. An institutional permission (Turku Clinical Research Center: J13/15) was approved to the study at November 13, 2015.
: This retrospective chart review was conducted on already available data and no informed consent was necessary according to Finnish legislation.