Kaila-Kangas, Leena https://orcid.org/0000-0002-0972-2048
Koskinen, Aki
Leino-Arjas, Päivi
Virtanen, Marianna
Härkänen, Tommi
Lallukka, Tea
Funding for this research was provided by:
Finnish Work Environment Fund (113058)
Academy of Finland (287488, 294096, 258598, 265174)
Article History
Received: 21 April 2017
Accepted: 10 January 2018
First Online: 17 January 2018
Ethics approval and consent to participate
: All the study participants signed their written informed consent, and the Ethics Committee for Epidemiology and Public Health of the hospital district of Helsinki and Uusimaa in Finland approved the study protocol.
: Not applicable
: The authors declare that they have no competing interests.
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