1. Department of Endocrinology, Diabetes & Metabolism Royal Victoria Infirmary Newcastle upon Tyne UK
2. Department of Respiratory Medicine Royal Victoria Infirmary Newcastle upon Tyne UK
3. Department of Acute Medicine Newcastle upon Tyne Hospitals NHS Foundation Trust Newcastle upon Tyne UK
4. Department of Anaesthetics & Critical Care Newcastle upon Tyne Hospitals NHS Foundation Trust Newcastle upon Tyne UK
5. Department of Blood Sciences Royal Victoria Infirmary Newcastle upon Tyne UK
6. Barts and the London School of Medicine and Dentistry Queen Mary University of London London UK
7. Translational & Clinical Research Institute University of Newcastle upon Tyne UK