Johansson, Elin http://orcid.org/0000-0003-2135-3780
Mathiassen, Svend Erik
Lund Rasmusse, Charlotte
Hallman, David M.
Funding for this research was provided by:
the Swedish Research Council for Health, Working Life and Welfare (2009-1761)
Article History
Received: 6 November 2019
Accepted: 13 May 2020
First Online: 1 June 2020
Ethics approval and consent to participate
: The study was approved by the Regional Ethical Review Board in Uppsala, Sweden (Dnr.2015/118), and all workers provided their written informed consent prior to inclusion.
: Not applicable.
: The authors declare that they have no competing interests.