[1] NEW YORK STATE DEPT HLTH, ROSWELL PK MEM INST, GRACE CANC DRUG CTR, BUFFALO, NY 14263 USA
[2] NEW YORK STATE DEPT HLTH, ROSWELL PK MEM INST, DEPT IMMUNOL, BUFFALO, NY 14263 USA
[3] NEW YORK STATE DEPT HLTH, ROSWELL PK MEM INST, DEPT MED A, BUFFALO, NY 14263 USA