Dahlqvist, Jenny Alenius http://orcid.org/0000-0001-8818-8762
Wiklund, Urban http://orcid.org/0000-0002-1313-0934
Karlsson, Marcus
Hanséus, Katarina http://orcid.org/0000-0002-7464-0444
Strömvall-Larsson, Eva
Nygren, Anders http://orcid.org/0000-0003-0810-7016
Eliasson, Håkan
Rydberg, Annika
Funding for this research was provided by:
Hjärt-Lungfonden (20090146)
Stiftelsen Samariten (2015-0000)
Oskarsfonden (20150204)
Västerbotten Läns Landsting (VLL-645531)
Article History
Received: 14 January 2019
Accepted: 13 March 2019
First Online: 27 March 2019
Compliance with ethical standards
:
: All authors declare that they have no conflicts of interest to disclose.
: All procedures in the study involving human participants were in accordance with the Ethical Standards of the 1964 Helsinki Declaration and its later amendments or comparable standards. The study was approved by the Regional Ethical Review Board in Umea.
: Informed consent was given by the participants or by their legal guardians.