Affiliation: | (1) Department of Rheumatology, Karolinska Institutet at Karolinska University Hospital Huddinge, 141 86 Stockholm, Sweden;(2) The National Institute of Environmental Medicine, Division of Nutritional Epidemiology, Karolinska Institutet, 171 77 Stockholm, Sweden;(3) Department of Medicine, Karolinska Institutet at Karolinska University Hospital Huddinge, 141 86 Stockholm, Sweden |