1. School of Science, State Key Laboratory for Mechanical Behavior of Materials; Collaborative Innovation Center of Suzhou Nano Science and Technology; Jiaotong University; Xi'an 710049 P.R. China
2. School of Life Science and Technology; MOE Key Laboratory of Biomedical Information Engineering; Xi'an Jiaotong University; Xi'an 710049 P.R. China
3. Bioinspired Engineering and Biomechanics Center; Xi'an Jiaotong University; Xi'an 710049 P.R. China
4. School of Science, State Key Laboratory for Mechanical Behavior of Materials; Collaborative Innovation Center of Suzhou Nano Science and Technology; Xi'an Jiaotong University; Xi'an 710049 P.R. China
5. Faculty of Advanced Life Science; Hokkaido University; Sapporo 060-0810 Japan
6. RIKEN, Hirosawa; Wako; Saitama 351-0198 Japan