Funding for this research was provided by:
Regional Research funds (RegSkane 625631)
SUS Foundation and donation funds
Alfred Österlund foundation
Swedish Rheumatism Association (R-56371)
King Gustaf V's 80-year foundation (FAI-2017-0341 and FAI-2019-0559)
Greta and Johan Kocks Foundation
Received: 19 November 2021
Accepted: 16 February 2022
First Online: 20 April 2022
: The study was approved by the Swedish Ethical Review Authority (#2016/30) and all subjects gave their written informed consent prior to participation according to recommendations of the declaration of Helsinki.
: Not applicable.
: The authors report no competing interests.