1. High Speed 3D Printing Research Center, National Taiwan University of Science and Technology, Taipei, R.O.C
2. Department of Mechanical Engineering, National Taiwan University of Science and Technology, Taipei, R.O.C
3. Graduate Institute of Biomedical Engineering, National Taiwan University of Science and Technology, Taipei, R.O.C
4. Lunghwa University of Science and Technology, Taoyuan Taiwan, R.O.C