[1] BOSTON UNIV, SCH MED, SCH PUBL HLTH, BOSTON, MA 02118 USA
[2] HARVARD UNIV, SCH MED, DEPT NEUROL, BOSTON, MA 02115 USA
[3] HARVARD UNIV, SCH MED, NEUROGENET LAB, BOSTON, MA 02115 USA
[4] UNIV WASHINGTON, SCH MED, DEPT NEUROL, SEATTLE, WA 98195 USA
[5] VET ADM MED CTR, SEATTLE, WA 98108 USA
[6] ST MARYS HOSP, SCH MED, DEPT NEUROL, LONDON, ENGLAND
[7] ST MARYS HOSP, SCH MED, DEPT BIOCHEM, LONDON, ENGLAND
[8] ST MARYS HOSP, SCH MED, DEPT MOLEC BIOL, LONDON, ENGLAND
[9] NINCDS, BETHESDA, MD 20205 USA
[10] UNIV MINNESOTA, DEPT PSYCHIAT, MINNEAPOLIS, MN 55455 USA
[11] UNIV INSTELLING ANTWERP, DEPT BIOCHEM, B-2610 WILRIJK, BELGIUM
[12] UNIV INSTELLING ANTWERP, DEPT NEUROL, B-2610 WILRIJK, BELGIUM
[13] UNIV TORONTO, DEPT NEUROL, TORONTO M5S 1A1, ONTARIO, CANADA