| http://www.w3.org/ns/prov#value | - ype, we used likelihood ratio tests, comparing a model including genotype (coded as 0, 1, or 2 according to number of minor alleles) to the same model without genotypes.To investigate possible interactions, interaction terms were created which were the cross-product of number of minor alleles of the SNP and vitamin D intake (continuous), latitude (categorized) or HLA DR15(additive for number of mi
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