1. Key Laboratory for Precision and Non-traditional Machining Technology of Ministry of Education, Dalian University of Technology, Dalian, China
2. Department of Biomedical Engineering, Dalian University of Technology, Dalian, China
3. School of Mechanical Science and Engineering, Jilin University, Changchun, China
4. Key Laboratory for Micro/Nano Technology and Systems of Liaoning Province, Dalian University of Technology, Dalian, China