Cartilage regions of interest, relative to the meniscus with sub-compartments defined as Anterior Medial Tibia (aMT), Central Medial Tibia (cMT), Posterior Medial Tibia (pMT), Anterior Medial Femoral Condyle (aMFC), Anterior/Central Medial Femoral Condyle (acMFC), Posterior/Central Medial Femoral Condyle (pcMFC), and Posterior Medial Femoral Condyle (pMFC)