Stjernbrandt, Albin http://orcid.org/0000-0001-6082-8465
Pettersson, Hans http://orcid.org/0000-0001-7077-2389
Liljelind, Ingrid http://orcid.org/0000-0002-5936-1172
Nilsson, Tohr http://orcid.org/0000-0003-2789-6321
Wahlström, Jens http://orcid.org/0000-0002-2359-509X
Funding for this research was provided by:
Västerbotten Läns Landsting (VLL-646641)
Article History
Received: 10 July 2018
Accepted: 14 August 2018
First Online: 20 August 2018
Compliance with ethical standards
:
: Albin Stjernbrandt, Hans Pettersson, Ingrid Liljelind, Tohr Nilsson and Jens Wahlström declare that they have no conflict of interest.
: 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.