1. Consultant in Diabetes and Endocrinology at the Royal Free Hospital NHS Trust, London NW3 2QG
2. Consultant Physician in Diabetes and Endocrinology at Ashford and St Peter's Hospital, Chertsey, Surrey
3. Consultant Ophthalmologist at Moorfields Eye Hospital, London
4. Consultant Physician in Diabetes and Endocrinology at University College London Hospital, London