1. Department of Materials Science, Graduate School of Pure and Applied SciencesUniversity of Tsukuba Tsukuba Ibaraki Japan
2. Biomaterials Center for Regenerative Medical EngineeringFoundation for Advancement of International Science Tsukuba Ibaraki Japan
3. Master's School of Medical Sciences, Graduate School of Comprehensive Human SciencesUniversity of Tsukuba Tsukuba Ibaraki Japan
4. Center for Research in Isotopes and Environmental Dynamics (CRiED)University of Tsukuba Tsukuba Ibaraki Japan