1. Department of Mechanical Engineering, Carnegie Mellon University, Pittsburgh, PA 15213
2. School of Engineering Design, Technology, and Professional Programs, Pennsylvania State University, University Park, State College, PA 16802;
3. Colegio de Ciencias e Ingeniería. Universidad San Francisco de Quito, Campus Cumbayá, Quito EC170901, Ecuador
4. Applied Research Laboratory, Pennsylvania State University, University Park, State College, PA 16804-0030
5. Applied Research Laboratory, Pennsylvania State University, University Park, State College, PA 16801
6. Department of Psychology, Carnegie Mellon University, Pittsburgh, PA 15213