1. Research Center for Regenerative Medicine,
2. Department of Cell Transplantation and Regenerative Medicine, and
3. Department of Hematology and Oncology, Tokai University School of Medicine, Kanagawa, Japan;
4. Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL;
5. United Centers for Advanced Research and Translational Medicine, Tohoku University Graduate School of Medicine, Miyagi, Japan; and
6. Institute of Advanced Biosciences, Tokai University, Kanagawa, Japan