“…Studies were published between 1982 and 2018 [ 45 , 46 , 47 , 48 , 49 , 50 , 51 , 52 , 53 , 54 , 55 , 56 , 57 , 58 , 59 , 60 , 61 , 62 , 63 , 64 , 65 , 66 , 67 , 68 , 69 , 70 , 71 , 72 , 73 , 74 , 75 , 76 ]. More than half of these studies were of cross-sectional design [ 45 , 48 , 51 , 53 , 54 , 55 , 56 , 57 , 59 , 60 , 63 , 67 , 68 , 71 , 72 , 74 , 75 , 76 ] and four of them were representative of the general population [ 47 , 70 ,…”