1. Department of Mechanical & Aerospace Engineering, North Carolina State University, Raleigh, NC, USA.
2. Department of Mechanical Engineering, Inha University, Incheon, Republic of Korea.
3. George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, USA.
4. Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, USA.
5. Department of Neurology, University of Pittsburgh Medical Center, Pittsburgh, PA, USA.
6. Department of Biomedical Engineering, University of North Carolina, Chapel Hill, NC, USA.
7. Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, USA.