7Institute of Neuroscience, University of Newcastle, Newcastle upon Tyne, UK.6Department of Rehabilitation Medicine I, School of Medicine, Fujita Health University, Toyoake, Japan.5Department of Neurology, University of Maryland School of Medicine, Baltimore, MD, USA.4Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA.3Department of Rehabilitation, Senri Chuo Hospital, Toyonaka, Japan.2Department of Neurology, Senri Chuo Hospital, Toyonaka, Japan.1Department of Mechanical Science and Bioengineering, Graduate School of Engineering Science, Osaka University, Toyonaka, Japan.Fumio Miyazaki 1 Hiroaki Naritomi 2 Keitaro Koba 1 Takanori Oku 1 Kanna Uno 1 Mitsunori Uemura 1 Tomoki Nishi 3 Masayuki Kageyama 3 Hermano Igo Krebs 1,4,5,6,7