[1] DANA FARBER CANC INST,BOSTON,MA
[2] OUR LADY LOURDES HOSP,BINGHAMTON,NY
[3] MT SINAI MED CTR,NEW YORK,NY
[4] NPW MED CTR,WILKES BARRE,PA
[5] RUSH PRESBYTERIAN ST LUKES MED CTR,CHICAGO,IL 60612
[6] AMER ONCOL HOSP,PHILADELPHIA,PA 19111
[7] THOMAS JEFFERSON UNIV HOSP,PHILADELPHIA,PA 19107
[8] HLTH SCI CTR,WINNIPEG R3E 0W1,MANITOBA,CANADA
[9] NEW YORK STATE DEPT HLTH,ROSWELL PK MEM INST,BUFFALO,NY 14263
[10] OVERLOOK HOSP,SUMMIT,NJ 07901
[11] BELLEVUE HOSP CTR,NEW YORK,NY 10016
[12] HOSP UNIV PENN,PHILADELPHIA,PA 19104