[1] CANC & LEUKEMIA GRP B, LEBANON, NH USA
[2] DARTMOUTH COLL, HITCHCOCK MED CTR, DEPT MED, HANOVER, NH 03756 USA
[3] DARTMOUTH COLL, HITCHCOCK MED CTR, DEPT MICROBIOL, HANOVER, NH 03756 USA
[4] DARTMOUTH COLL, HITCHCOCK MED CTR, DEPT PATHOL, HANOVER, NH 03756 USA