“…Thirty-seven reported data from Asia [27, 34, 35, 49, 51, 52, 54, 56-59, 63, 65, 67, 73, 83-87, 98, 99, 104, 109, 112, 113, 125, 142, 143, 146, 156, 157, 159, 164, 165, 170]. Thirty-two studies reported data from the US [29, 32, 33, 42, 45, 46, 53, 60, 62, 71, 72, 91-94, 97, 101, 103, 106, 114, 124, 127, 139, 141, 145, 148, 149, 152, 161, 163, 167, 174], and four studies reported data from Canada [30,44,140,158]. Fewer studies reported data from Australia (two [37,61]) and South America (eight [38,40,55,64,76,77,160,173]).…”