“…Of the 32 studies in the scoping review ( TABLE 4 , TABLE 5 ) [ [35] , [36] , [37] , [38] , [39] , [40] , [41] , [42] , [43] , [44] , [45] , [46] , [47] , [48] , [49] , [50] , [51] , [52] , [53] , [54] , [55] , [56] , [57] , [58] , [59] , [60] , [61] , [62] , [63] , [64] , [65] , [66] ], 15 (47%) were parallel RCTs, 15 (47%) crossover RCTs, and 2 (6%) trials with block randomization. Twenty-three studies (72%) were double blinded, 3 (9%) were single blinded, 1 (3%) was nonblinded, and 5 (16%) did not report on this aspect of the study design.…”