Viborg, Njördur
Wångby-Lundh, Margit
Lundh, Lars-Gunnar
Wallin, Ulf
Johnsson, Per
Funding for this research was provided by:
Forskningsrådet för Arbetsliv och Socialvetenskap (2005-0597)
Article History
Received: 2 October 2017
Accepted: 14 February 2018
First Online: 22 March 2018
Competing interests
: The authors declare that they have no competing interests.
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