Department of Bone and Joint Surgery Affiliated Hospital of Xi’an Jiaotong University.157 Xiwu Road’an 710004;
Harvard John A.Paulson School of Engineering and Applied Sciences University 02138;
Department of Dermatology Affiliated Hospital of Xi’an Jiaotong University.157 Xiwu Road’an 710004;
Department of Spine Surgery Hospital of Xi’an Jiaotong University.555 Youyi East Road’an 710000;