Outcome clusters and their stability over 1 year in patients with SLE: self-reported and performance-based cognitive function, disease activity, mood and health-related quality of life.

Gupta A, Johnson S, Barraclough M, Su J, Bingham K, Knight AM, Diaz Martinez JP, Kakvan M, Tartaglia MC, Ruttan L, Marzouk S, Wither J, Choi M, Bonilla D, Appenzeller S, Beaton D, Katz P, Green R, Touma Z