“…Four of the reviews 35,36,37,39 had "moderate" overall confidence in the review and another four reviews (5 published papers) were assessed to have "low" overall confidence in the review. 11,12,13,29,34 Majority of the reviews were, however, assessed to have "critically low" overall confidence in the review. 16,17,18,19,20,21,22,23,24,25,26,27,28,30,31,32,33,38,40 The detailed assessment of the risk of bias of included reviews using the AMSTAR-2 tool is presented in Figure 3.…”