Robotic Rehabilitation in Spinal Cord Injury: A Pilot Study on End-Effectors and Neurophysiological Outcomes. - Calabrò, Rocco Salvatore; Filoni, Serena; Billeri, Luana; Balletta, Tina; Cannavò, Antonino; Militi, Angela; Milardi, Demetrio; Pignolo, Loris; Naro, Antonino (Annals of Biomedical Engineering, 2021)