1. Department of Cell Regulation, Medical Research Institute, Tokyo Medical and Dental University, Tokyo 113-8510, Japan
2. Laboratory of Stem Cell Therapy, Institute of Medical Science
3. Department of Clinical Oncology, Institute of Medical Science
4. Department of Pathology, Tokyo Women's Medical University, Tokyo 162-8666, Japan
5. Center for Experimental Medicine, Institute of Medical Science
6. Department of Cell Therapy and Transplantation Medicine, Faculty of Medicine, University of Tokyo, Tokyo 108-8639, Japan
7. Department of Oncology, Institute of Medical Science