/// chained list of DicomDirStudy (to be exploited hierarchicaly)
ListDicomDirStudy Studies;
/// iterator on the DicomDirStudies of the current DicomDirPatient
/// chained list of DicomDirStudy (to be exploited hierarchicaly)
ListDicomDirStudy Studies;
/// iterator on the DicomDirStudies of the current DicomDirPatient