Institution: | 1. Department of Neuroscience, Faculty of Medicine, Norwegian University of Science and Technology NTNU, 7489 Trondheim, Norway;2. Department of Physical Performance, Norwegian School of Sport Sciences, Oslo, Norway;3. Department of Kinesiology, University of Massachusetts-Amherst, Amherst, MA, USA;4. Department of Mechanical Engineering, Stanford University, USA;5. Department of Orthopedic Surgery, Stanford University, USA;6. Veterans Administration, Palo Alto, CA, USA |