“…There was also a broad geographical and population distribution of included studies. There were 16 studies from Africa [ 14 , 24 , 59 , 68 – 73 , 75 – 79 , 84 , 88 ], 25 studies from Asia [ 22 , 60 , 61 , 64 – 66 , 74 , 80 , 81 , 83 , 86 , 87 , 90 – 95 , 97 – 99 , 101 , 102 , 104 , 105 ], and others were conducted in Europe [ 67 , 89 , 96 ], North America [ 62 , 63 , 85 , 100 , 103 ] and South America [ 82 ]. More than half (27 studies) of the studies were conducted within community populations [ 22 , 60 , 66 , 69 – 72 , 74 , 76 , 79 – 81 , 83 , 85 – 88 , 90 , 91 , 93 , 95 , 99 – 104 ], while others consisted of health care workers (13 studies) [ 60 , 61 , 63 , 64 , 67 , 77 , 78 , 84 , 89 , 92 , 94 , 96 , 105 ] and patients (eight studies) [ ...…”