1. Centre for Obesity Research University College London London UK
2. Bariatric Centre for Weight Management and Metabolic Surgery University College London Hospital NHS Trust London UK
3. National Institute of Health and Care Research University College London Hospitals Biomedical Research Centre London UK
4. Nutrition and Dietetics University Hospitals Leicester NHS Trust Leicester UK
5. Aston Medical School Aston University Birmingham UK
6. Department of Diabetes and Metabolism The Royal London Hospital, Barts Health NHS Trust London UK
7. Specialist Weight Management Services University Hospitals Coventry and Warwickshire NHS Trust Coventry UK
8. School of Medicine Ulster University Derry UK
9. Department of Bariatric and Metabolic Surgery North Bristol National Health Service Trust Bristol UK