“…Randomization was not necessarily associated with blinding. Blinding, with appropriate masking when needed, was specifically indicated in 11 studies [ 64 , 68 – 70 , 75 , 80 , 89 , 92 , 97 , 99 , 102 ]. Another 13 studies were explicitly defined or implicitly detected as open-label [ 63 , 71 , 72 , 74 , 90 , 91 , 94 – 96 , 98 , 100 , 101 , 104 ].…”