Gustafsson, Carl Pontus
Gunnarsson, Ulf
Dahlstrand, Ursula
Lindforss, Ulrik
Funding for this research was provided by:
Vetenskapsrådet (VR-921-2014-7196)
Västerbotten Läns Landsting (VLL-545001, VLL-676051)
Stockholms Läns Landsting (SLL-20160296)
Article History
Accepted: 21 February 2018
First Online: 5 March 2018
Compliance with ethical standards
: This trial was approved by the Regional Ethical Review Board of Stockholm (EPN Dnr 2015/685-31/4). For this type of study, formal consent is not required.
: The authors declare that they have no conflicts of interest.