1 Department of Biomedical Engineering, Cleveland Clinic, 9500 Euclid Avenue, Cleveland 44195, OH, USA
2 Imaging Institute, Cleveland Clinic, 9500 Euclid Avenue, Cleveland 44195, OH, USA
3 Cleveland FES Center, L Stokes Cleveland VA Medical Center, 10701 East Boulevard, Cleveland 44106, OH, USA
4 Center for Neurological Restoration, Cleveland Clinic, 9500 Euclid Ave., ND20, Cleveland 44195, OH, USA