Löfgren, Monika http://orcid.org/0000-0002-8701-0206
Opava, Christina H.
Demmelmaier, Ingrid
Fridén, Cecilia
Lundberg, Ingrid E.
Nordgren, Birgitta
Kosek, Eva
Funding for this research was provided by:
Swedish Research Council
Forte Foundation
Combine Sweden
Swedish Rheumatism Foundation
Norrbacka-Eugenia Foundation
Strategic Research Program in Health Care Science
National Postgraduate School of Health Care Sciences
Article History
Received: 11 July 2018
Accepted: 31 October 2018
First Online: 26 November 2018
Ethics approval and consent to participate
: All participants were informed about the HEPA intervention and the assessment procedures in writing and consented by presenting themselves at three consecutive assessments. The study was approved by the Regional Ethical Review Board in Stockholm (2009/1509–31/1 and 2012/769–32).
: Not applicable.
: The authors declare that they have no competing interests.
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