Competing interests
ORF
HM receives research support from a Transdisciplinary Award from the Bone and Joint Institute at Western University and a Doctoral Research Award from the Canadian Institutes of Health Research (CIHR). AG is a consultant for Smith & Nephew, Ossur, and Olympus; receives royalties from Smith & Nephew and Graymont Inc.; and receives research support from Smith & Nephew, Ossur, CIHR, AMOSO, CFI, ORF and ISAKOS.