[1] Jefferson Barracks VAMC, St Louis, MO 63125 USA
[2] St Louis VAMC, Dept Neurol, St Louis, MO 63125 USA
[3] St Louis Univ, Hlth Sci Ctr, St Louis, MO 63125 USA
[4] St Louis VAMC, Dept Med, St Louis, MO 63125 USA
[5] Vet Adm Med Ctr, Div Geriatr Res, St Louis, MO 63125 USA
[6] Washington Univ, Sch Med, Alzheimers Dis Res Ctr, Dept Neurol Anat & Neurobiol, St Louis, MO 63110 USA
[7] St Louis VAMC, Dept Pharmacol & Physiol Sci, St Louis, MO 63125 USA
[8] St Louis Univ, Hlth Sci Ctr, St Louis, MO 63125 USA
[9] St Louis VAMC, Dept Pathol, St Louis, MO 63125 USA
[10] St Louis Univ, Hlth Sci Ctr, St Louis, MO 63125 USA