Fractures, CartilageCartilage, ArticularArthroscopyKnee JointCartilageCartilage DiseasesArthroplasty, SubchondralChondrocytesChondrogenesisHyaline CartilageOsteoarthritisCollagen Type IINasal CartilagesProteoglycansKnee InjuriesGlycosaminoglycansStifleWound HealingAggrecansEar CartilageTissue EngineeringOsteoarthritis, KneeLaryngeal CartilagesInternational CooperationTissue ScaffoldsFemur