[1] UNIV LONDON,SCH MED,RAYNE INST,DEPT PAEDIAT,LONDON WC1E 6JJ,ENGLAND
[2] SW FDN BIOMED RES,DEPT GENET,SAN ANTONIO,TX
[3] MD ANDERSON CANC CTR,DEPT MOLEC GENET,HOUSTON,TX
[4] LOS ALAMOS NATL LAB,DIV LIFE SCI,LOS ALAMOS,NM
[5] LOS ALAMOS NATL LAB,CTR HUMAN GENOME STUDIES,LOS ALAMOS,NM 87545
[6] ADELAIDE CHILDRENS HOSP INC,DEPT CYTOGENET & MOLEC GENET,ADELAIDE,SA,AUSTRALIA