[1] Harvard Univ, Massachusetts Gen Hosp, Sch Med, Dept Med,Div Rheumatol Allergy & Immunol, Boston, MA USA
[2] Harvard Univ, Brigham & Womens Hosp, Sch Med, Dept Med,Div Rheumatol Allergy & Immunol, Boston, MA 02115 USA
[3] Harvard Univ, Brigham & Womens Hosp, Sch Med, Div Gen Internal Med & Primary Care, Boston, MA 02115 USA
[4] Partners Healthcare Syst, Partners eCare, Clin Informat, Boston, MA USA