Acknowledgements

Figure 2. (a) Singlet population normalized with r<sup>4</sup> for A (=0.1): With the range of values of (γ1,J) (a1) [(10,10), (0,3)], (a2) [(1,1), (0,1)], (a3) [(0.5,0.5), (5,5)]. (b) Singlet population normalized with r<sup>4</sup> for A (=1): With the range of values of (γ1,J ) (b1) [(10,10), (0,3)], (b2) [(1,1), (0,1)], (b3) [(0.5,0.5), (0.1,0.1)], (b4) [(0,5,0.5), (0.01,0.01)], (b5) [(0.5,0.5), (0.001,0.001)]. (c) Singlet population normalized with r<sup>4</sup> for A (=10): With the range of values of (γ1,J ) (c1) [(10,10),

(0,3)], (c2) [(5,5), (0,1)], (c3) [(2,2), (0,1)] (from reference [9]).

56 Vitamin E in Health and Disease

One of the authors (JJGN) would like to acknowledge the financial support of the Brazilian Agency PNPS/CAPES by the Programa Nacional de Pós-Doutorado in UESC-BA-Brazil.
