std::map<clitk::DicomRT_ROI::Pointer, QTreeWidgetItem *> mMapROIToTreeWidget;
std::map<QTreeWidgetItem *, clitk::DicomRT_ROI::Pointer> mMapTreeWidgetToROI;
std::vector<int> mLoadedROIIndex;
std::map<clitk::DicomRT_ROI::Pointer, QTreeWidgetItem *> mMapROIToTreeWidget;
std::map<QTreeWidgetItem *, clitk::DicomRT_ROI::Pointer> mMapTreeWidgetToROI;
std::vector<int> mLoadedROIIndex;