Hosio, Mayu http://orcid.org/0000-0003-1194-2063
Urpilainen, Elina
Marttila, Mikko
Hautakoski, Ari
Arffman, Martti
Sund, Reijo
Puistola, Ulla
Läärä, Esa
Jukkola, Arja
Karihtala, Peeter http://orcid.org/0000-0003-3490-3702
Funding for this research was provided by:
Pohjois-Suomen Terveydenhuollon Tukisäätiö (T59127, T59129)
Orionin Tutkimussäätiö
Jane ja Aatos Erkon Säätiö (T59127)
Article History
Received: 16 February 2019
Accepted: 20 February 2019
First Online: 20 March 2019
Compliance with ethical standards
:
: Author Marttila is employed by Orion Corporation. However, Orion Corporation had no role in study design, collection, analysis and interpretation of data, in the writing of the report or in the decision to submit the article for publication. Author Urpilainen has received grants Orion Research Foundation sr. All other authors declared that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments, or comparable ethical standards. According to Finnish legislation, no separate ethics approval or informed consent is needed for studies that involve only administrative registers. However, ethics approval was obtained for the FinDM study from the research ethics committee of the National Institute of Health and Welfare (30.1.2014, meeting 1/2014, § 609). Permission to use data was obtained from those maintaining the original registers (National Institute for Health and Welfare, Social Insurance Institution, Statistics Finland).