Naro, A., A. Bramanti, P. Bramanti, and R. Calabrò. “Motor Recovery After Stroke: The Role of Overground Exoskeletons in Shaping Brain Plasticity”. Italian Journal of Anatomy and Embryology, vol. 122, no. 1, Oct. 2017, p. 154, https://oajournals.fupress.net/index.php/ijae/article/view/1999.