“…Included studies were conducted in Asia (19 studies), Africa (1 study), Europe (25 studies), and the USA (5 studies). On the other hand, according to the types of liver diseases, 7 were on fatty liver diseases [ 16 , 17 , 30 , 31 , 32 , 33 , 34 ], 22 on hepatitis [ 13 , 19 , 33 , 35 , 36 , 37 , 38 , 39 , 40 , 41 , 42 , 43 , 44 , 45 , 46 , 47 , 48 , 49 , 50 , 51 , 52 , 53 ], 32 on liver cirrhosis [ 13 , 30 , 31 , 33 , 35 , 36 , 37 , 38 , 39 , 41 , 42 , 44 , 48 , 50 , 52 , 54 , 55 , 56 , 57 , 58 , 59 , 60 ,…”