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Slopes of linear regressions between the lesion size measured via (a) T2- and (b) T1-weighted MRI one day post-treatment and the ATD profile size for 17, 40, 100, 200 and 240 CEM. Error bars show the range of slope estimates at 95% confidence intervals. Logarithmic regressions showed that the best estimation of the lesion size (i.e. linear regression slope = 1) on T2- and T1-weighted MRI was found using an ATD of 100 and 200 CEM, respectively.
