// GDCM_NAME_SPACE::File::IsReadable() is no usable here, because we deal with
// any kind of gdcm-Parsable *document*
// not only GDCM_NAME_SPACE::File (as opposed to GDCM_NAME_SPACE::DicomDir)
// GDCM_NAME_SPACE::File::IsReadable() is no usable here, because we deal with
// any kind of gdcm-Parsable *document*
// not only GDCM_NAME_SPACE::File (as opposed to GDCM_NAME_SPACE::DicomDir)