[1] YESHIVA UNIV ALBERT EINSTEIN COLL MED, DEPT MED, BRONX, NY 10461 USA
[2] YESHIVA UNIV ALBERT EINSTEIN COLL MED, DEPT PEDIAT, BRONX, NY 10461 USA
[3] CTR DIS CONTROL, ATLANTA, GA 30333 USA
[4] YESHIVA UNIV ALBERT EINSTEIN COLL MED, DEPT LAB MED, BRONX, NY 10461 USA
[5] BRONX MUNICIPAL HOSP CTR, BRONX, NY 10461 USA
[6] GREATER NEW YORK BLOOD PROGRAM, NEW YORK, NY USA