“…Six studies were randomised controlled trials, 50,51,56,60,63,67 four were two-group prospective non-randomised controlled trials, 55,57,61,66 and seven were single-group pre-post designs. 45,52,58,59,62,64,65 Stroke was the focus in nine studies, 45,50,56,57,59,61,62,64,67 multiple sclerosis in four 55,58,60,63 and Parkinson's disease in three. 51,52,66 One study included a mix of conditions (i.e., multiple sclerosis, Parkinson's disease and supranuclear palsy).…”