Henderson RM, Miller ME, Fielding RA, Gill TM, Glynn NW, Guralnik JM, King A, Newman AB, Manini TM, Marsh AP, Pahor M, McDermott MM, Rejeski J, Tudor-Locke C, Kritchevsky SB. Maintenance of Physical Function 1 Year After Exercise Intervention in At-Risk Older Adults: Follow-up From the LIFE Study. J Gerontol A Biol Sci Med Sci. 2018 04 17; 73(5):688-694.