1. Laboratory of Physiology and Biomechanics of Locomotion, Institute of NeuroScience, Université catholique de Louvain, Louvain-la-Neuve, Belgium
2. Department of Aerospace Science and Technology, Politecnico di Milano, Milan, Italy
3. Laboratory of Physiomechanics, Department of Pathophysiology and Transplantation–Division of Physiology, University of Milan, Milan, Italy