The selection process is depicted in a PRISMA flow diagram (Fig. 1).23, 24, 25, 26, 28, 29, 30, 31, 35, 36, 37, 38, 39, 41, 42, 43, 49, 53, 55, 58, 59, 60, 61, 62, 63, 65, 66, 67, 80, 82, 83, 85, 88, 96, 98, 99, 101, 104, 105, 106, 111, 115, 116, 117 Table 1 describes the characteristics of all the included studies. The quality assessment of each study using the ROB assessment tool is provided in Supplemental Table 2 and Supplemental Figure 1A and 1B (available online). Overall comparisons were