1. Department of Surgery and Cancer, Imperial College, London, United Kingdom
2. Department of Endocrine Surgery, Hammersmith Hospital, London, United Kingdom
3. Department of Medicine, Imperial College, London, United Kingdom
4. Department of Endocrinology, Imperial College National Health Service Trust, London, United Kingdom
5. Department of Endocrine and General Surgery, Kings’ College Hospital, London, United Kingdom
6. Department of Anaesthesia, Imperial College National Health Service Trust, London, United Kingdom
7. Department of Obstetric Medicine, Guy’s and St. Thomas’ Foundation Trust, London, United Kingdom
8. Department of Obstetric Medicine, Imperial College National Health Service Trust, London, United Kingdom