[1] IMPERIAL CANC RES FUND,GENET EPIDEMIOL LAB,LEEDS LS2 9LU,W YORKSHIRE,ENGLAND
[2] JOHNS HOPKINS UNIV HOSP,CTR GENET MED,BALTIMORE,MD 21205
[3] MONTREAL GEN HOSP,DIV MED GENET,MONTREAL,PQ H3G 1A4,CANADA
[4] WASHINGTON UNIV,SCH MED,DEPT PSYCHIAT,ST LOUIS,MO 63110
[5] SW FDN BIOMED RES,DEPT GENET,SAN ANTONIO,TX 78228