1. Department of Biomedical Engineering, The Catholic University of America, 620 Michigan Avenue NE, Washington, District of Columbia 20064, USA
2. Department of Mechanical Engineering, The Catholic University of America, 620 Michigan Avenue NE, Washington, District of Columbia 20064, USA
3. ADA Foundation, Volpe Research Center, 100 Bureau Drive, Stop #8546, Gaithersburg, Maryland 20899, USA