Figure 5.

$\beta$ obtained from six VANs for uniform $\mathrm{\Delta }\chi$ distribution within for perfusion or functional imaging based on susceptibility contrast agents (a) from $1\times {10}^{-6}$ to $10\times {10}^{-6}$ and (b) from $1\times {10}^{-6}$ to $3\times {10}^{-6}$.