1. Centre for Endocrinology, Barts and the London School of Medicine and Dentistry William Harvey Research Institute Queen Mary University of London London UK
2. Department of Endocrinology Hospital de Santa Maria Centro Hospitalar Universitário Lisboa Norte Lisbon Portugal
3. Department of Pathology STHF Skien Norway
4. The National Hospital for Neurology and Neurosurgery UCLHNHS Trust London UK
5. Department of Neurosurgery Charing Cross Hospital Imperial College London UK
6. Department of Neurosurgery Derriford Hospital Plymouth UK