ΕΑ34COMBINED ACL RECONSTRUCTION AND LATERAL EXTRA-ARTICULAR TENODESIS REDUCES LONG-TERM KNEE OSTEOARTHRITIS RISK IN COMPARISON TO ISOLATED ACL RECONSTRUCTION: A SYSTEMATIC REVIEW AND META-ANALYSISN. Gkekas, D. Stamiris, A. Koutalos, I. Chantes, G. Komnos, M. Hantes