1. a Department of Veterans Affairs Medical Center , Martinez
2. b Department of Applied Behavioral Sciences , University of California , Davis
3. c Neurology Department , University of California , Davis
4. d Donner Laboratory, Lawrence Berkeley Laboratory, University of California , Berkeley
5. e Alzheimer Center, University Hospitals, Case Western Reserve University School of Medicine ,
6. f Department of Veterans Affairs Medical Center , San Diego
7. g Psychiatry Department , University of California , San Diego