Walter R Frontera , Marcus J Fuhrer , Alan M Jette , Leighton Chan , Rory A Cooper , Pamela W Duncan , John D Kemp , Kenneth J Ottenbacher , P Hunter Peckham , Elliot J Roth and Denise G Tate
Journal of NeuroEngineering and Rehabilitation 2006, 3:1doi:10.1186/1743-0003-3-1