1. Nanomedicine Group, Research Center for Functional Materials (RCFM), National Institute for Materials Science (NIMS), 1-2-1, Sengen, Tsukuba, Ibaraki 305-0047, Japan
2. Division of Life Science, Hokkaido University, Kita 10, Nishi 8, Kita-ku, Sapporo 060-0808, Japan
3. Department of Magnetic and Biomedical Materials, Faculty of Materials Science, University of Science, Vietnam National University, 227 Nguyen Van Cu Street, Ward 4, District 5, Ho Chi Minh 70000, Viet Nam
4. Vietnam National University, Linh Trung Ward, Thu Duc City, Ho Chi Minh 70000, Viet Nam
5. Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, 2-24-16, Naka-cho, Koganei 184-8588, Japan
6. JASCO Corporation, 2967-5, Ishikawamachi, Hachioji, Tokyo 192-8537, Japan