Richardson, J., Tang, A., Guyatt, G., Thabane, L., Xie, F., Sahlas, D., … Macrae, L. (2018). FIT for FUNCTION: study protocol for a randomized controlled trial. Trials, 19(1), 39. https://doi.org/10.1186/s13063-017-2416-3 (Original work published 2018)