Robot-mediated overground gait training for transfemoral amputees with a powered bilateral hip orthosis: a pilot study oleh Clara Beatriz Sanz-Morère, Elena Martini, Barbara Meoni, Gabriele Arnetoli, Antonella Giffone, Stefano Doronzio, Chiara Fanciullacci, Andrea Parri, Roberto Conti, Francesco Giovacchini, Þór Friðriksson, Duane Romo, Simona Crea, Raffaele Molino-Lova, Nicola Vitiello