1. Department of Endocrinology, Beaumont Hospital, Dublin, Ireland
2. Royal College of Surgeons in Ireland, Dublin, Ireland
3. Department of Radiology, Leeds Teaching Hospitals NHS Trust, St James University Hospital, Leeds, UK
4. Department of Endocrinology, Leeds Teaching Hospitals NHS Trust, St James University Hospital, Leeds, UK
5. Department of Endocrine Surgery, Leeds Teaching Hospitals NHS Trust, St James University Hospital, Leeds, UK
6. Faculty of Medicine & Health, University of Leeds, Worsley Building, Clarendon Way, Leeds, UK