About the Authors
Department of Orthopedic Surgery, School of Medicine, Keio University, Tokyo, Japan
Department of Physiology, School of Medicine, Keio University, Tokyo, Japan
Central Institute for Experimental Animals, Kanagawa, Japan
Department of Orthopedic Surgery, National Hospital Organization Murayama Medical Center, Tokyo, Japan
Department of Orthopedic Surgery, Saitama Social Insurance Hospital, Saitama, Japan
Center for iPS Cell Research and Application (CiRA), Kyoto, Japan
The authors have declared that no competing interests exist.
Conceived and designed the experiments: YK YO YT MN HO. Performed the experiments: YK YO HI S. Nishimura KH TK KF. Analyzed the data: YK HI S. Nishimura AY TK KF MN. Contributed reagents/materials/analysis tools: YK YO GI HI S. Nishimura AY S. Nori KH TK KF OT SY. Wrote the paper: YK KH MN HO.