Hinman, R. S., Wrigley, T. V., Metcalf, B. R., Campbell, P. K., Paterson, K. L., Hunter, D. J., Kasza, J., Forbes, A., Bennell, K. L. Unloading Shoes for Self-management of Knee Osteoarthritis: A Randomized Trial. Annals of Internal Medicine 2016; 6: 381-9