Weijie Zhanga, b, c,Qin Liana, , ,Dichen Lia,Kunzheng Wangb,Dingjun Haod,Weiguo Biana, e,Zhongmin Jina, f
a State Key Laboratory for Manufacturing Systems Engineering, Xi'an Jiaotong University, Xi'an, China
b The First Department of Orthopaedics, The Second Affiliated Hospital, Health Science Center, Xi'an Jiaotong University, Xi'an, China
c Department of Joint Surgery, Hong Hui Hospital, Health Science Center, Xi'an Jiaotong University, Xi'an, China
d Department of Spine Surgery, Hong Hui Hospital, Health Science Center, Xi'an Jiaotong University, Xi'an, China
e Department of Orthopaedics, The First Affiliated Hospital, Health Science Center, Xi'an Jiaotong University, Xi'an, China
f Institute of Medical and Biological Engineering, School of Mechanical Engineering, University of Leeds, Leeds, UK