[1] WALTER REED ARMY MED CTR,DEPT MED,WASHINGTON,DC 20307
[2] WALTER REED ARMY INST RES,BLOOD RES DETACHMENT,ROCKVILLE,MD
[3] GEORGETOWN UNIV,DEPT HEMATOL ONCOL,WASHINGTON,DC 20057
[4] WALTER REED ARMY INST RES,DEPT HEMATOL & VASC BIOL,WASHINGTON,DC 20307