1. Department of Biomechanics, University of Nebraska, Omaha, NE, USA
2. Facultad de Ciencias de la Salud, Universidad Autónoma de Chile, Chile
3. CHI Health Creighton University Medical Center and an adjunct faculty at the Department of Occupational Therapy, Creighton University, Omaha, Nebraska, USA
4. Innovative Prosthetics & Orthotics, Omaha, Nebraska, USA
5. Department of Engineering Science, University of Oxford, UK