1. Weldon School of Biomedical Engineering, Purdue University, West Lafayette, Indiana 47907, United States
2. Department of Mechanical and Aerospace Engineering, University of Virginia, Charlottesville, Virginia 22903-1738, United States
3. School of Mechanical Engineering, Hanyang University, Seoul 04763, Republic of Korea
4. School of Mechanical Engineering, Purdue University, West Lafayette, Indiana 47907, United States
5. Center for Implantable Devices, Purdue University, West Lafayette, Indiana 47907, United States
6. School of Materials Engineering, Purdue University, West Lafayette, Indiana 47907, United States