[1] Univ S Florida, Sch Aging Studies, Florida Policy Exchange Ctr Aging, 4202 E Fowler Ave,MHC-1343, Tampa, FL 33620 USA
[2] Miami Univ, Dept Econ, Oxford, OH 45056 USA
[3] Miami Univ, Scripps Gerontol Ctr, Oxford, OH 45056 USA
[4] Univ Calif San Diego, Sch Med, Dept Psychiat, Stein Inst Res Aging, La Jolla, CA USA