1. State Key Laboratory of Solidification Processing, Shaanxi Key Laboratory of Fiber Reinforced Light Composite Materials, Northwestern Polytechnical University, Xi’an, People’s Republic of China
2. Department of Materials Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang, People’s Republic of China
3. Department of Spinal Surgery, Honghui Hospital Affiliated to Xi’an Jiaotong University College of Medicine, Xi'an, People’s Republic of China