Borg, Sabina
Öberg, Birgitta
Nilsson, Lennart
Alfredsson, Joakim
Söderlund, Anne
Bäck, Maria
Funding for this research was provided by:
the Swedish Heart and Lung Association (E 133-15, E 118-16)
the Swedish Society of Medical Research (main applicant Maria Bäck)
Region Östergötland (RÖ-827011, RÖ-725541, RÖ-938232)
Linköping University
Article History
Received: 1 November 2022
Accepted: 14 March 2023
First Online: 24 March 2023
Declarations
:
: Ethical approval was granted by the Regional Ethical Review Board in Linköping, Sweden (registration number: 2015/209-31) and an amendment (registration number: 2018/383-32). The study was performed in accordance with the Declaration of Helsinki. Informed written consent was obtained from the patients before entering the study.
: Not applicable.
: The authors declare that they have no competing interests.