[1] HARVARD UNIV, SCH MED, DEPT MED, BOSTON, MA 02115 USA
[2] HARVARD UNIV, SCH MED, DEPT DERMATOL, BOSTON, MA 02115 USA
[3] BRIGHAM & WOMENS HOSP, DEPT RHEUMATOL, BOSTON, MA 02115 USA
[4] BRIGHAM & WOMENS HOSP, DEPT IMMUNOL, BOSTON, MA 02115 USA
[5] BRIGHAM & WOMENS HOSP, DEPT MED, BOSTON, MA 02115 USA