1. The Humanoid Biorobotics and Smart Systems Lab (HBS Lab), Department of Mechanical Engineering, University of Texas at Dallas, 800 W Campbell Rd, Richardson, TX 75080, USA
2. Bioengineering Department, University of Texas at Dallas, 800 W Campbell Rd, Richardson, TX 75080, USA
3. Department of Physical Medicine and Rehabilitation, Department of Neurology, UT Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX 75390, USA