Sundvall, Helena http://orcid.org/0000-0002-7124-4673
Fastbom, Johan
Wallerstedt, Susanna M.
Vitols, Sigurd
Funding for this research was provided by:
Forskningsr?det om H?lsa, Arbetsliv och V?lf?rd
Article History
Received: 14 November 2018
Accepted: 4 February 2019
First Online: 3 March 2019
Compliance with ethical standards
:
: The study complies with the Declaration of Helsinki. Ethics approval was obtained from the Regional Ethical Review Board in Gothenburg (Dnr 782-11).
: The authors declare that they have no conflicts of interest.