Hallikainen, Joona
Lindgren, Antti
Savolainen, Jarno
Selander, Tuomas
Jula, Antti
Närhi, Matti
Koivisto, Timo
Kellokoski, Jari
Ylöstalo, Pekka
Suominen, Anna Liisa
Frösen, Juhana http://orcid.org/0000-0003-4677-950X
Funding for this research was provided by:
University of Eastern Finland (UEF) including Kuopio University Hospital
Article History
Received: 24 January 2019
Revised: 13 March 2019
Accepted: 19 March 2019
First Online: 10 April 2019
Compliance with ethical standards
:
: This study was approved by the Ethical Review Board of the Healthcare District of Northern Savo (patient recruitment and data collection at KUH) and The Ethical Committee for Research in Epidemiology and Public Health at the Hospital District of Helsinki and Uusimaa in Finland (Health 2000 and 2011 Surveys). Written informed consent was obtained from all participants.