[1] DUKE UNIV,MED CTR,JOSEPH & KATHLEEN BRYAN ALZHEIMERS DIS RES CTR,DEPT NEUROBIOL,DURHAM,NC 27710
[2] MRC,MOLEC BIOL LAB,CAMBRIDGE CB2 2QH,ENGLAND
[3] UNIV CALIF SAN FRANCISCO,GLADSTONE INST CARDIOVASC DIS,INST CARDIOVASC RES,DEPT PATHOL,SAN FRANCISCO,CA 94143