Association of long-distance corridor walk performance with mortality, cardiovascular disease, mobility limitation, and disability. - Newman,AB.; Simonsick,EM.; Naydeck,BL.; Boudreau,RM.; Kritchevsky,SB.; Nevitt,MC.; Pahor,M.; Satterfield,S.; Brach,JS.; Studenski,SA.; Harris,TB. (JAMA, 2006)