1. East Midlands Bariatric and Metabolic Institute (EMBMI), Royal Derby Hospital Derby UK
2. Bariatric Surgery – General Surgery Department Royal Sunderland Hospital Sunderland UK
3. Honorary Clinical Senior Lecturer, Faculty of Medicine Imperial College London London UK
4. MRC‐Versus Arthritis Centre for Musculoskeletal Ageing Research, National Institute for Health Research Nottingham Biomedical Research Centre, Clinical, Metabolic and Molecular Physiology, University of Nottingham, Royal Derby Hospital Derby UK