Köhler, Anita Kärner http://orcid.org/0000-0002-2646-8715
Jaarsma, Tiny
Tingström, Pia
Nilsson, Staffan
Funding for this research was provided by:
the Swedish Heart and Lung Association (E091/10, E122/11, E083/12, E103/13)
The County Council Region Östergötland, Sweden (LIO-92281, 125151, - 27535, - 354951, and 433801)
Article History
Received: 2 October 2019
Accepted: 2 August 2020
First Online: 14 August 2020
Ethics approval and consent to participate
: The study complies with the Declaration of Helsinki and was approved by The Regional Ethical Review Board in Linköping, c/o Faculty of Health Sciences, SE-58185 Linköping, Sweden. Reference number: 2010/128–31. Consent obtained from the participants was written.
: Not applicable.
: The authors declare that they have no competing interests.