[1] UNIV CALIF LOS ANGELES,SCH MED,DIV NUCL MED & BIOPHYS,LOS ANGELES,CA 90024
[2] UNIV CALIF LOS ANGELES,SCH MED,DEPT NEUROL,LOS ANGELES,CA 90024
[3] UNIV CALIF LOS ANGELES,SCH MED,DEPT PSYCHIAT,LOS ANGELES,CA 90024
[4] UNIV CALIF LOS ANGELES,SCH MED,DEPT ENERGY,NUCL MED LAB,LOS ANGELES,CA 90024
[5] MASSACHUSETTS GEN HOSP,MOLEC NEUROGENET LAB,BOSTON,MA 02114
[6] UNIV OKLAHOMA,DEPT PSYCHIAT,OKLAHOMA CITY,OK
[7] DUKE UNIV,DIV NUCL MED,DURHAM,NC 27706
[8] UNIV TORONTO,DEPT NEUROL,TORONTO M5S 1A1,ONTARIO,CANADA
[9] UNIV TORONTO,DEPT MED,TORONTO M5S 1A1,ONTARIO,CANADA