Hong C, Won CW, Kim B, Choi H, Kim S, Choi S, Hong S.  Gait Speed Cut-Off Point as a Predictor of Fall in Community-Dwelling Older Adults: Three-Year Prospective Finding from Living Profiles of Elderly People Surveys in Korea.  KJFP 2016;6:105-110.  https://doi.org/10.21215/kjfp.2016.6.2.105