1. Department of Neurosurgery, NHS Tayside, Dundee, United Kingdom;
2. Department of Radiology, NHS Tayside, Dundee, United Kingdom;
3. Department of Ear, Nose & Throat Surgery, NHS Tayside, Dundee, United Kingdom;
4. Department of Neuropathology, NHS Lothian, Edinburgh, United Kingdom;
5. Department of Trauma and Orthopaedics Neurosurgery, NHS Tayside, Dundee, United Kingdom;
6. Department of Endocrinology, NHS Tayside, Dundee, United Kingdom