Lagenfelt, Hanna https://orcid.org/0009-0005-9335-1807
Blomstrand, Hakon https://orcid.org/0000-0002-9845-1410
Gränsmark, Emma
Elander, Nils O https://orcid.org/0000-0001-9345-0278
Funding for this research was provided by:
Linköping University
Article History
Received: 16 January 2026
Accepted: 7 April 2026
First Online: 17 April 2026
Declarations
:
: This study was performed according to the Helsinki declaration. Ethical approval was granted by the Regional Ethics Review board in Linköping (diary number 2018/139 − 31). Due to the retrospective non-interventional design and the fact that the majority of patients were not expected to be alive at time of data collection, the Ethics board waived the requirement for informed consent.
: Not applicable.
: The authors declare no competing interests.