1. Barts and The London School of Medicine & Dentistry London UK
2. Department of Paediatric Endocrinology and Diabetes, The Royal London Children's Hospital Barts Health NHS Trust London UK
3. Department of Paediatric Endocrinology, Variety Children's Hospital King's College Hospital NHS Foundation Trust London UK
4. Faculty of Medicine and Life Science King's College London London UK
5. Centre for Endocrinology, William Harvey Research Institute Queen Mary University of London London UK