1. University of Colorado Anschutz Medical Campus and VA Eastern Colorado Geriatric Research Education and Clinical Center, Aurora, Colorado (M.E.B.)
2. Harvard School of Public Health and Northeastern University, Boston, Massachusetts (M.M.)
3. VA Eastern Colorado Geriatric Research Education and Clinical Center, University of Colorado Anschutz Medical Campus, and University of Colorado School of Medicine, Aurora, Colorado (D.D.M.)
4. University of California, Davis, Sacramento, California (G.J.W.)
5. University of Colorado Anschutz Medical Campus, Aurora, Colorado (R.L.J., C.G., C.E.K., K.S.)
6. VA Eastern Colorado Geriatric Research Education and Clinical Center and University of Colorado School of Medicine, Aurora, Colorado (H.D.L.)
7. Brown University, Providence, Rhode Island (M.L.R.)
8. Harvard School of Public Health, Boston, Massachusetts (D.A.)