“…Please see ►Table 1 and ►Table 2 for an overview of the results on solid cancers and mixed cancers, respectively, and ►Table 3 for hematological cancers. Studies included patients with solid cancers (n ¼ 61), 14, hematological malignancies (n ¼ 17), [86][87][88][89][90][91][92][93][94][95][96][97][98][99][100][101][102] or both (n ¼ 22). 7, There were two meta-analyses, 55,63 eight case-control studies, 34,58,62,69,82,104,117,120 one randomized controlled trial, 113 and 89 cohort studies, 7,14,26-33,35-54 56,57,59-61,64-68,70-81,83-103,105-116,118,119,121-123 among which data were collected prospectively in 36 studies, 7,14,33,36,38-40,42-44,46-48,52,57,60,61,70,71,73,74,77,78,80 81,87,88,93,96 105,107,112,114,118 119,121 and obtained retrospectively from medical records in 53 studies.…”