Corrigendum to "OARSI Clinical Trials Recommendations: design and conduct of clinical trials for hip osteoarthritis" [Osteoarthritis Cartilage 23 (2015) 761–771]. Issue 10 (October 2015) - Lane, N.E.; Hochberg, M.C.; Nevitt, M.C.; Simon, L.S.; Nelson, A.E.; Doherty, M.; Henrotin, Y.; Flechsenhar, K.