title: Authors' reply to Chitnavis.
authors: Orthopaedics, Department of Clinical Sciences, Lund University, 22185 Lund, Sweden stefan.lohmander@med.lu.se.
authors: L Stefan
authors: LS
authors: Lohmander
authors: Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark.
authors: Ewa M
authors: EM
authors: Roos
mesh_terms: D019317:Evidence-Based Medicine; D006801:Humans; D009985:Orthopedics; D013178:Sports Medicine