[1] NIH,DIAGNOST DEV BRANCH,NATL CTR HUMAN GENOME RES,BETHESDA,MD 20892
[2] NIH,LAB GENET DIS RES,NATL CTR HUMAN GENOME RES,BETHESDA,MD 20892
[3] NCI,GENET LAB,NIH,BETHESDA,MD 20892
[4] GEORGETOWN UNIV,LOMBARDI CANC CTR,WASHINGTON,DC 20057
[5] UNIV CAMBRIDGE,DEPT PATHOL,CAMBRIDGE CB2 1TN,ENGLAND