Ettala, Otto O. http://orcid.org/0000-0003-1011-4602
Saaresranta, Tarja
Syvänen, Kari T.
Kaipia, Antti J.
Vahlberg, Tero J.
Aarnio, Pertti T.
Boström, Peter J.
Korhonen, Päivi E.
Article History
Received: 9 March 2019
Revised: 20 May 2019
Accepted: 22 July 2019
First Online: 5 September 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study was assessed and approved by the ethics committee of Satakunta Hospital District. All study participants signed an informed consent.