[1] UNIV TORONTO, CTR RES NEURODEGENERAT DIS, DEPT PHYSIOL, TORONTO M5S 1A8, ONTARIO, CANADA
[2] MASSACHUSETTS GEN HOSP, MOLEC NEUROGENET LAB, BOSTON, MA 02129 USA
[3] ACAD MED SCI, NATL RES CTR MENT HLTH, MOLEC BRAIN GENET LAB, MOSCOW 113152, USSR
[4] UNIV FLORENCE, DEPT NEUROL, I-50121 FLORENCE, ITALY
[5] UNIV TURIN, DEPT NEUROL, I-10126 TURIN, ITALY
[6] DUKE UNIV, MED CTR, BRYAN ALZHEIMERS DIS RES CTR, DURHAM, NC 27710 USA
[7] UNIV MILANO, SCH MED, DEPT NEUROSCI, I-20127 MILAN, ITALY
[8] TOHOKU UNIV, SCH MED, DEPT NEUROL, SENDAI, MIYAGI 980, JAPAN
[9] BOSTON UNIV, SCH MED, NEUROGENET LAB, BOSTON, MA 02118 USA
[10] IST MEXICANO SEGURO SOCIAL, DEPT GENET, GUADALAJARA, MEXICO
[11] ECOLE PRAT HAUTES ETUD, NEUROHISTOL LAB, F-75651 PARIS 13, FRANCE
[12] CNR, SERV NEUROL, USSL 17, I-88046 LAMEZIA TERME, ITALY
[13] UNIV MASSACHUSETTS, MED CTR, DEPT NEUROL, WORCESTER, MA 01655 USA
[14] SANDOZ PHARMACEUT CORP, SANDOZ RES INST, E HANOVER, NJ 07936 USA
[15] NINCDS, CLIN NEUROPHARMACOL SECT, BETHESDA, MD 20892 USA
[16] UNIV TORONTO, CLARKE INST PSYCHIAT, DEPT PSYCHIAT, NEUROGENET SECT, TORONTO M5T 1R8, ONTARIO, CANADA
[17] MT SINAI MED CTR, WEIN CTR, MIAMI BEACH, FL 33140 USA