1. Department of Radiology, Mater Misericordiae University Hospital, Dublin, Ireland;
2. Department of Endocrinology, Beaumont Hospital, Dublin, Ireland;
3. Department of Neuropathology, Beaumont Hospital, Dublin, Ireland;
4. Department of Neurosurgery, Beaumont Hospital, Dublin, Ireland;
5. Department of Neuroradiology, Beaumont Hospital, Dublin, Ireland