Associations of number of physical therapy visits and frequency of use of an internet-based exercise training program with knee osteoarthritis outcomes. (April 2018) - Allen, K.D.; Pignato, M.; Arbeeva, L.; Schwartz, T.; Callahan, L.; Cooke, J.; Goode, A.; Golightly, Y.; Heiderscheit, B.; Hill, C.; Huffman, K.; Seversen, H.