Funding for this research was provided by:
University of Oulu (65354, 24000692)
Oulu University Hospital (2/97, 8/97, 24301140)
Ministry of Health and Social Affairs (23/251/97, 160/97, 190/97)
National Institute for Health and Welfare (4121)
Regional Institute of Occupational Health (50621, 54231)
ERDF European Regional Development Fund (539/2010 A31592)
Orion Research Foundation
Article History
Received: 23 June 2020
Accepted: 22 January 2021
First Online: 24 February 2021
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.