1. School of Mechanics & Engineering ScienceZhengzhou University Zhengzhou 450001 China
2. National Center for International Joint Research of Micro‐Nano Molding TechnologyZhengzhou University Zhengzhou 450001 China
3. Division of Engineering in Medicine, Department of MedicineBrigham and Women's Hospital, Harvard Medical School Cambridge Massachusetts 02139
4. Key Laboratory for Micro Molding Technology of Henan ProvinceZhengzhou University Zhengzhou 450001 China
5. School of Mechanical EngineeringZhengzhou University Zhengzhou 450001 China