Acknowledgements
We would like to thank Susana Hernandez Machado, Gloria Rostvall and
Julia Norkko, for helping with sample collection and management and
Vijay Joshua for helping with the CBA software. This study was
conceived, designed and coordinated by NS, FF, KC, IG; VM. FF and ST
contributed to data collection and clinical assessments. Experimental
work was performed by NS in supervision of KC and VM. Rheumatoid Factor
data was obtained by JR. The data analysis and interpretation were
conducted by NS, FF, KC, VM, IG and the writing was drafted by FF and
NS. This work was supported by The King Gustaf V 80th Birthday Fund,
Stockholm County Council (ALF and for ST: combined clinical residency
and PhD training program), The Swedish Rheumatism Association, Ingegerd
Johansson’s Foundation, and The Swedish research council.