1. New Mexico State University,Klipsch School of Electrical and Computer Engineering,Las Cruces,New Mexico,USA
2. The University of Texas at El Paso,College of Health Science,Department of Physical Therapy,El Paso,Texas,USA
3. The University of Tennessee at Chattanooga,Department of Mathematics,Chattanooga,Tennessee,USA
4. The University of Texas at El Paso,College of Health Science,Department of Rehabilitation Sciences,El Paso,Texas,USA
5. New Mexico State University,Department of Engineering Technology,Las Cruces,New Mexico,USA