Stjernbrandt, Albin http://orcid.org/0000-0001-6082-8465
Carlsson, Daniel
Pettersson, Hans
Liljelind, Ingrid
Nilsson, Tohr
Wahlström, Jens
Funding for this research was provided by:
Västerbotten Läns Landsting (VLL-646641)
Article History
Received: 19 December 2017
Accepted: 22 May 2018
First Online: 28 May 2018
Compliance with ethical standards
:
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee, and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The study protocol was approved by the Regional Ethical Review Board situated at Umeå University (DNR 2015-24-31M and 2014-286-31M).
: Informed consent was obtained from all individual participants included in the study.
: The authors declare that they have no conflicts of interest.