1 Department of Traumatic Orthopedics, Beijing Jishuitan Hospital, The Fourth Medical College, Peking University, Beijing, 100035, China.
2 Department of Orthopedics, First Affiliated Hospital of PLA General Hospital, Beijing, 100048, China.
3 Institute of Mechanics Chinese Academy of Sciences, Beijing, 100190, China.
4 Department of Traumatic Orthopedics, Beijing Jishuitan Hospital, The Fourth Medical College, Peking University, Beijing, 100035, China. [email protected].