Fig. 1From: Distribution of variants in multiple vitamin D-related loci (DHCR7/NADSYN1, GC, CYP2R1, CYP11A1, CYP24A1, VDR, RXRα and RXRγ) vary between European, East-Asian and Sub-Saharan African-ancestry populationsMean annual UVB levels (surface irradiance at 305 nm) at locations of EUR, EAS and AFR sample setsBack to article page