Design and control of the MINDWALKER exoskeleton. - Wang S; Wang L; Meijneke C; van Asseldonk E; Hoellinger T; Cheron G; Ivanenko Y; La Scaleia V; Sylos-Labini F; Molinari M; Tamburella F; Pisotta I; et al. (IEEE transactions on neural systems and rehabilitation engineering : a publication of the IEEE Engineering in Medicine and Biology Society, 2015)