1. Dept. of Aerospace Engineering, University of Illinois Urbana-Champaign, Urbana, IL, USA
2. Dept. of Mechanical Science and Engineering, University of Illinois Urbana-Champaign, Urbana, IL, USA
3. Department of Trauma Surgery, Carle Hospital and Department of Biomedical and Translational sciences, Carle Illinois College of Medicine, Urbana, IL, USA
4. Dept. of Surgery, University of Illinois at Chicago, Chicago, IL, USA