Nilsson, Evalill http://orcid.org/0000-0002-4497-8313
Festin, Karin
Lowén, Mats
Kristenson, Margareta
Funding for this research was provided by:
Hjärt-Lungfonden (20040530)
Vetenskapsrådet (2004-1881)
Article History
Accepted: 5 November 2019
First Online: 13 November 2019
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: The study was approved by the regional Ethical Review Board, Linköping, Sweden (#02-0324).
: All procedures performed in studies involving human participants were in accordance with the ethical standards of, and approved by, the regional Ethical Review Board, Linköping, Sweden (Approval #02-0324) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.