(b)

Country	Ages	Specimen	Results*
China	Newborn	Cord blood	Median 3.61 versus 1.25 μg/L (n = 289 e-waste exposed versus n = 134 unexposed) [50]
			Mean 4.84 versus 2.81 μg/L (n = 289 e-waste exposed versus n = 134 unexposed) [50]
	Newborn	Cord blood	Median 0.6 μg/L (range 0.02–1.78), n = 109 [51]
	Newborn	Cord blood	GMean 0.36 μg/L (range 0.02–1.48), n = 44 [52]
India	Newborn	Cord blood	GMean 0.6 μg/L, n = 296 [53]
Mexico	6–11 years	Urine	Mean 4.7 μg/L, n = 35 [45]
	6–12 years	Urine	GMean 0.78 μg/L, n = 229 [49]
Poland	6-7 years	Whole blood	GMean 0.6 μg/L, n = 183 [54]
	8–12 years	Whole blood	GMean 0.19 versus 0.08 μg/L (n = 50 exposed versus n = 45 unexposed females) [37]
			GMean 0.19 versus 0.07 μg/L (n = 42 exposed versus n = 35 unexposed males) [37]
	8–12 years	Urine	GMean 0.56 versus 0.45 μg/g creatinine (n = 49 exposed versus 50 unexposed females) [37]
			GMean 0.68 versus 0.44 μg/g creatinine (n = 44 exposed versus 35 unexposed males [37]
South Korea	4–10 years	Whole blood	GMean 1.51 μg/L (range 0.05–6.00), n = 38 [55]
	4–10 years	Urine	GMean 1.33 μg/L (range 0.02–5.25), n = 38 [55]
			GMean 1.69 μg/g creatinine (range 0.43–3.92), n = 38 [55]
Taiwan	Newborn	Cord blood	Mean 0.67 μg/L, median 0.33 μg/L, n = 402 [56]