[1] Univ Houston, Grad Coll Social Work, 3511 Cullen Blvd,Room 110HA, Houston, TX 77204 USA
[2] Appalachian State Univ, Dept Hlth & Exercise Sci, 1179 State Farm Rd,Suite 432,POB 32071, Boone, NC 28608 USA
[3] Ctr Dis Control & Prevent, Alzheimers Dis & Hlth Aging Program, 4770 Buford Hwy NE, Atlanta, GA 30341 USA