Tuuliranta, M.
Antikainen, T.
Heiskanen, T.
Mecklin, J.-P.
Aarnio, M. T.
Article History
Received: 29 June 2018
Accepted: 29 October 2018
First Online: 12 November 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study was approved by the Ethical Committee of the Central Finland Health Care District.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: This was a register study and for this type of a study our ethical committee does not require informed contents.