“…All studies, except one, which was a quasi-randomised trial [ 25 ], were RCTs and all trials employed a parallel group design. Nineteen studies compared the adjunctive EPT plus exercise therapy to a placebo EPT and exercise [ [22] , [23] , [24] , [25] , [26] , [27] , [28] , [29] , [30] , [31] , [33] , [34] , [35] , [36] , [37] , [38] , [39] , [40] , [41] ], whilst 22 compared against exercise only [ 9 , 11 , 19 , 20 , 22 , [34] , [35] , [42] , [43] , [44] , [45] , [46] , [47] , [48] , [49] , [50] , [51] , [52] , [53] , [54] , [55] , [57] ].…”