[1] Sophiahemmet Univ Coll, Stockholm, Sweden
[2] Karolinska Inst, Danderyd Hosp, Div Med, Dept Clin Sci, Stockholm, Sweden
[3] Karolinska Inst, Div Nursing, Dept Neurobiol Care Sci & Soc NVS, Stockholm, Sweden
[4] Karolinska Univ Hosp, Rheumatol Clin, Stockholm, Sweden
[5] Karolinska Inst, Med Management Ctr, Dept Learning Informat Management & Eth, Stockholm, Sweden
[6] Stockholm Univ, S-10691 Stockholm, Sweden