TFRC and anemia (phenotype): The key biomarkers that were used in this supplement were as follows: AGP (n = 11 PSC and 5 WRA data sets), anemia (n = 16 PSC and 10 WRA data sets), body iron (n = 8 PSC and 4 WRA data sets), CRP (n = 14 PSC and 10 WRA data sets), ferritin (n = 15 PSC and 8 WRA data sets), malaria infection (n = 5 PSC and 3 WRA data sets), RBP (n = 8 PSC and 4 WRA data sets), and sTfR (n = 11 PSC and 7 WRA data sets).