[1] HARVARD UNIV,SCH MED,DEPT PATHOL,BOSTON,MA 02115
[2] HARVARD UNIV,SCH MED,DEPT GENET,BOSTON,MA 02115
[3] HARVARD UNIV,SCH MED,DEPT MED,BOSTON,MA 02115
[4] MASSACHUSETTS GEN HOSP,IMMUNOPATHOL UNIT,BOSTON,MA 02114
[5] MASSACHUSETTS GEN HOSP,DEPT MOLEC BIOL,BOSTON,MA 02114
[6] MASSACHUSETTS GEN HOSP,MED SERV,ARTHRITIS UNIT,BOSTON,MA 02114
[7] UNIV PITTSBURGH,DEPT PATHOL,PITTSBURGH,PA 15260