highly significantp<0.0001
In both groups the most frequent alleles were Ala-14 and Ala-16 ( Supplementary Table 2 ), but the Ala-14/14 homozygous genotype was predominant in CH patients, either in absolute numbers and in percentages ( Supplementary Table 2 , Figure 3A ), with a highly significant X 2 test for trends (p<0.0001).