1 Geriatric Psychiatry Research Program (REP, KH, LM, DGH, BPF); Department of Neuropsychology (REP), McLean Hospital, Belmont, MA; Department of Psychiatry (REP, DGH, BPF), Harvard Medical School, Boston. Electronic address: rpatrick@mclean.harvard.edu.
2 Geriatric Psychiatry Research Program (REP, KH, LM, DGH, BPF).
3 Geriatric Psychiatry Research Program (REP, KH, LM, DGH, BPF); Department of Psychiatry (REP, DGH, BPF), Harvard Medical School, Boston.