[1] Brigham & Womens Hosp, Dept Pathol, Boston, MA 02115 USA
[2] Hadassah Univ Hosp, Inst Heart, IL-91120 Jerusalem, Israel
[3] Harvard Univ, Sch Med, Dept Pathol, Boston, MA 02115 USA
[4] Harvard Univ, Sch Med, Div Immunol, Boston, MA 02115 USA
[5] Harvard Univ, Sch Med, Div Vasc Res, Boston, MA 02115 USA