[1] NARA MED UNIV,DEPT NEUROL,KASHIHARA,NARA 634,JAPAN
[2] TSUKUBA UNIV,SCH MED,DEPT NEUROL,SAKURAMURA 305,JAPAN
[3] TOKYO METROPOLITAN NEUROL HOSP,DEPT NEUROL,FUCHU 183,JAPAN
[4] TOHO UNIV,SCH MED,DEPT INTERNAL MED 4,TOKYO 153,JAPAN
[5] KAGOSHIMA UNIV,SCH MED,DEPT SOILS,KAGOSHIMA 890,JAPAN
[6] SUMITOMO HOSP,DEPT NEUROL,OSAKA 530,JAPAN
[7] JICHI MED SCH,DEPT NEUROL,MINAMIKAWACHI,TOCHIGI 32904,JAPAN
[8] NATL CTR NERVOUS MENTAL & MUSCULAR DISORDERS,KODAIRA 187,JAPAN
[9] TOKYO WOMENS MED COLL,INST NEUROL,DEPT NEUROL,TOKYO 162,JAPAN
[10] HAMAMATSU UNIV,SCH MED,DEPT INTERNAL MED 3,HAMAMATSU,SHIZUOKA 43131,JAPAN
[11] AICHI MED COLL,DEPT INTERNAL MED 4,NAGAKUTECHO 48011,JAPAN
[12] TOKYO MED & DENT UNIV,MIR,DEPT CLIN PHARMACOL,TOKYO 101,JAPAN
[13] TAKEDA CHEM IND LTD,PHARMACEUT AFFAIRS,DIV NEW PROD PLANNING & DEV,DEPT DEV,OSAKA 541,JAPAN