“…After reading the title and abstract, we were left with 56 articles. After re-reading the full text, we excluded 30 articles that did not meet the inclusion criteria, and leaving 26 articles [ 1 , 4 , 5 , 9 , 10 , 16 , 17 , 20 , 24 , 27 , 28 , 29 , 31 , 34 , 37 , 40 , 41 , 43 , 44 , 48 , 49 , 56 , 58 , 61 , 62 , 64 ] in our study (Fig. 1 ).…”