[1] DUKE UNIV, MED CTR, CLAUDE D PEPPER OLDER AMER INDEPENDENCE CTR, DEPT MED, DURHAM, NC 27710 USA
[2] VET AFFAIRS MED CTR, CTR GERIATR RES EDUC & CLIN, DURHAM, NC 27705 USA
[3] DUKE UNIV, MED CTR, CLAUDE D PEPPER OLDER AMER INDEPENDENCE CTR, DEPT PHYS THERAPY, DURHAM, NC 27710 USA
[4] DUKE UNIV, MED CTR, CLAUDE D PEPPER OLDER AMER INDEPENDENCE CTR, GRAD PROGRAM PHYS THERAPY, DURHAM, NC 27710 USA