[1] HOSP VIRGEN DELCAMINO,SERV GENET,NAVARRA,SPAIN
[2] INDIANA UNIV,DEPT MED GENET,INDIANAPOLIS,IN 46223
[3] HEREDITARY DIS FDN,SANTA MONICA,CA 90401
[4] COLUMBIA UNIV,DEPT NEUROL,NEW YORK,NY 10032
[5] COLUMBIA UNIV,DEPT PSYCHIAT,NEW YORK,NY 10032
[6] UNIV MICHIGAN,DEPT NEUROL,ANN ARBOR,MI 48104
[7] UNIV ROCHESTER,DEPT NEUROL & PHARMACOL,ROCHESTER,NY 14642
[8] UNIV SO CALIF,DEPT NEUROL,LOS ANGELES,CA 90054
[9] UNIV MIAMI,DEPT NEUROL,MIAMI,FL 33136
[10] UNIV ZULIA,DEPT BIOCHEM,MARACAIBO,VENEZUELA