Predictors of Change in Physical Function in Older Adults in Response to Long-Term, Structured Physical Activity: The LIFE Study.

Layne AS, Hsu FC, Blair SN, Chen SH, Dungan J, Fielding RA, Glynn NW, Hajduk AM, King AC, Manini TM, Marsh AP, Pahor M, Pellegrini CA, Buford TW; LIFE Study Investigators.