1 Prosthetics and Orthotics Program, University of Hartford, West Hartford, CT, United States, 2 Cooperative Studies Program, United States Department of Veterans Affairs, West Haven, CT, United States, 3 Department of Biostatistics, Yale University, New Haven, CT, United States, 4 Department of Mechanical and Aerospace Engineering, Arizona State University, Tempe, AZ, United States, 5 Robotics...