Comparing Five Major Knee Osteoarthritis Cohort Studies: Similarities, Differences, and Unique Aspects of CHECK, OAI, FNIH, IMI-APPROACH, and MOST. - Oliinyk M; Mastbergen SC; Marijnissen AKCA; Felson DT; Hunter DJ; Nevitt MC; Weinans H; Jansen MP (Cartilage, 2025)