Fig. 2

Frequency of the combined V1016I and F1534C genotypes where VV/FC, VV/CC, VI/FC, VI/CC, II/FC and II/CC mean respectively and 1016VV/1534CC, 1016VV/1534CC, 1016VI/1534FC, 1016VI/1534CC, 1016II/1534FC and 1016II/1534CC genotypes