private static WizardStep createFlexibleLowerRanges(
     final JDialog dialog, final TreatmentCategorizationWizardPresentation pm) {
   return DoseRangeWizardStep.createOnMultipleParentRanges(
       dialog,
       pm,
       pm.getFlexibleUpperRanges(),
       "Specify the ranges for lower bound of flexible doses",
       "For each of the categories, define a range in which the lower bound of the administered dose must lie.");
 }