1. Scientific Computational Research Center, Rensselaer Polytechnic Institute, Low Center for Industrial Innocation, Troy, NY, USA;
2. Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, USA;
3. Department of Biomedical Engineering, University of Minnesota, Minneapolis, MN, USA;
4. Department of Mechanical, Aerospace and Nuclear Engineering, Rensselaer Polytechnic Institute, Troy, NY, USA