[1] UNIV UTAH,SCH MED,HOWARD HUGHES MED INST,SALT LAKE CITY,UT 84112
[2] SLOAN KETTERING INST CANC RES,NEW YORK,NY 10021
[3] UNIV WASHINGTON,DEPT BIOCHEM,SEATTLE,WA 98195
[4] HARVARD UNIV,CHILDRENS HOSP,MED CTR,SCH MED,DIV GENET,BOSTON,MA 02115
[5] YALE UNIV,SCH MED,DEPT HUMAN GENET,NEW HAVEN,CT 06510
[6] JOHNS HOPKINS UNIV,SCH MED,DEPT MED,BALTIMORE,MD 21205
[7] BAYLOR COLL MED,DEPT NEUROL,HOUSTON,TX 77030
[8] INDIANA UNIV,SCH MED,DEPT MED GENET,INDIANAPOLIS,IN 46202
[9] YESHIVA UNIV ALBERT EINSTEIN COLL MED,DEPT CELL BIOL,BRONX,NY 10461
[10] UNIV CALIF SAN DIEGO,DEPT MED,LA JOLLA,CA 92093
[11] TEMPLE UNIV,HLTH SCI CTR,SCH MED,PHILADELPHIA,PA 19140
[12] VET ADM MED CTR,PALO ALTO,CA 94304
[13] WASHINGTON UNIV,SCH MED,ST LOUIS,MO 63110
[14] HARVARD UNIV,CHILDRENS HOSP,MED CTR,SCH MED,DEPT PEDIAT,BOSTON,MA 02115
[15] UNIV ROCHESTER,SCH MED,DEPT PEDIAT,ROCHESTER,NY 14627
[16] UNIV ROCHESTER,SCH MED,DEPT OBSTET,ROCHESTER,NY 14627
[17] UNIV ROCHESTER,SCH MED,DEPT GYNECOL,ROCHESTER,NY 14627
[18] TOTTS GAP MED RES LABS,BANGOR,PA
[19] UNIV CALIF BERKELEY,DEPT ZOOL,BERKELEY,CA 94720
[20] BAYLOR COLL MED,HOWARD HUGHES MED INST,DEPT BIOCHEM,HOUSTON,TX 77030