[1] JOHNS HOPKINS UNIV,SCH MED,DEPT BIOL CHEM,BALTIMORE,MD 21205
[2] JOHNS HOPKINS UNIV,SCH MED,HOWARD HUGHES MED INST,DEPT PEDIAT,BALTIMORE,MD 21205
[3] JOHNS HOPKINS UNIV,SCH MED,PREDOCTORAL TRAINING PROGRAM HUMAN GENET,BALTIMORE,MD 21205
[4] JOHNS HOPKINS UNIV,SCH MED,KENNEDY KRIEGER INST,BALTIMORE,MD 21205
[5] JOHNS HOPKINS UNIV,SCH MED,DEPT NEUROL,BALTIMORE,MD 21205
[6] JOHNS HOPKINS UNIV,SCH MED,DEPT MOL BIOL & GENET,BALTIMORE,MD 21205