Selldén, Tilia https://orcid.org/0009-0006-7969-4157
Hultgård Ekwall, Anna-Karin https://orcid.org/0000-0001-8236-6089
Chatziagorou, Georgios https://orcid.org/0000-0001-6707-159X
Lundell, Anna-Carin https://orcid.org/0000-0002-4303-8266
Rudin, Anna https://orcid.org/0000-0002-4137-1276
Funding for this research was provided by:
University of Gothenburg
Article History
Received: 27 November 2025
Accepted: 25 May 2026
First Online: 2 June 2026
Declarations
:
: The study was conducted in compliance with the Helsinki Declaration and approved by regional ethics committees of Gothenburg (Dnr 1087–16 with amendment 2023–01470-02: SYNBIO study, and Dnr 459–18: SYNFLUID study). All patients gave informed consent to participation. No ethical approval was required according to the Swedish legislation section code 4§3p SFS 2003:460 (Law on Ethical Testing of Research Relating to People) for samples collected anonymously at Sahlgrenska University Hospital, Gothenburg, Sweden.
: Not applicable.
: The authors declare no competing interests.