[1] HARVARD UNIV, SCH MED, DANA FARBER CANC INST, IMMUNOPATHOL LAB, BOSTON, MA 02115 USA
[2] HARVARD UNIV, SCH MED, DEPT PATHOL, BOSTON, MA 02115 USA
[3] HARVARD UNIV, SCH MED, DEPT RHEUMATOL & IMMUNOL, BOSTON, MA 02115 USA
[4] HARVARD UNIV, SCH PUBL HLTH, DEPT CANC BIOL, BOSTON, MA 02115 USA