[1] Feinstein Inst, Manhasset, NY USA
[2] Karolinska Inst, Dept Womens & Childrens Hlth, Stockholm, Sweden
[3] Karolinska Inst, Dept Med, Stockholm, Sweden
[4] Karolinska Inst, Rheumatol Res Lab, Stockholm, Sweden
[5] Karolinska Univ Hosp, Stockholm, Sweden