1. Department of Biomaterials, Field of Tissue Engineering, Institute for Frontier Medical Sciences, Kyoto University, Kyoto, Japan.
2. Department of Regenerative Medicine and Tissue Engineering, National Cardiovascular Center Research Institute, Osaka, Japan.
3. Department of Bioscience, National Cardiovascular Center Research Institute, Osaka, Japan.
4. Department of Biochemistry, National Cardiovascular Center Research Institute, Osaka, Japan.