1. Osaka University Graduate School of Dentistry 1 Department of Periodontology , , Suita, Osaka 565-0871 , Japan
2. StemRIM Inc. 2 , Ibaraki, Osaka 567-0085 , Japan
3. StemRIM Institute of Regeneration-Inducing Medicine, Osaka University 3 , Suita 565-0871 , Japan
4. Osaka University Graduate School of Medicine 4 Department of Stem Cell Therapy Science , , Osaka 565-0871 , Japan
5. Research Institute for Biomedical Sciences, Tokyo University of Science 5 , Noda, Chiba 278-8510 , Japan
6. Tohoku University Graduate School of Dentistry 6 Department of Periodontology and Endodontology , , Sendai, Miyagi 980-8575 , Japan
7. Cardiovascular Biology Research Program, Oklahoma Medical Research Foundation 7 , Oklahoma City, OK 73104 , USA