Cell source-derived variabilities in human juvenile chondrocyte-derived cell sheet cartilage regenerative effects in a nude rat chondral defect implantation model

The authors have withdrawn their manuscript owing to the necessity of reallocating the data to another study. Therefore, the authors do not wish this work to be cited as a reference for the project. If you have any questions, please contact the corresponding author. ### Competing Interest Statement Teruo Okano is a shareholder of CellSeed Inc.