[1] Univ Pittsburgh, Ctr Social & Urban Res, Pittsburgh, PA 15260 USA
[2] Univ Alabama, Appl Gerontol Program, Tuscaloosa, AL 35487 USA
[3] Univ Tennessee, Ctr Hlth Sci, Dept Prevent Med, Memphis, TN 38163 USA
[4] Univ Tennessee, Ctr Hlth Sci, Dept Internal Med, Memphis, TN 38163 USA
[5] MEDSenior Connect, Reg Med Ctr, Memphis, TN USA
[6] Univ Miami, Sch Med, Ctr Adult Dev & Aging, Dept Psychiat & Behav Sci, Coral Gables, FL 33124 USA
[7] Stanford Univ, Sch Med, Dept Psychiat & Behav Sci, Menlo Pk, CA USA
[8] VA Palo Alto Hlth Care Syst, Older Adult & Family Ctr, Menlo Pk, CA USA
[9] Thomas Jefferson Univ, Community & Homecare Res Div, CHORD, Philadelphia, PA 19107 USA
[10] Hebrew Rehabil Ctr Aged, Res & Training Inst, Boston, MA 02131 USA