Broström, Anders http://orcid.org/0000-0002-0433-0619
Pakpour, A. H.
Nilsen, P.
Fridlund, B.
Ulander, M.
Funding for this research was provided by:
Hjärt-Lungfonden (20140644)
Article History
Received: 15 July 2018
Revised: 7 November 2018
Accepted: 21 November 2018
First Online: 6 December 2018
Compliance with ethical standards
: The study protocol was approved by the ethics committee (Dnr M29–07) at the Faculty of Health Sciences, University of Linköping, Sweden. The study was conducted in accordance with the 1964 Helsinki Declaration and its later amendments and all participants provided written informed consent.
: The authors declare that they have no conflicts of interest.