1. York University, McMaster University, and Wharton Weight Management Clinic Burlington Ontario Canada
2. Division of Medicine University College London Centre for Obesity Research, University College London London UK
3. National Institute of Health Research, University College London Hospital Biomedical Research Centre London UK
4. Centre for Weight Management and Metabolic Surgery University College London Hospital London UK
5. Novo Nordisk A/S Søborg Denmark
6. Unit of Clinical Nutrition Policlinico University Hospital Palermo Italy
7. Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties University of Palermo Palermo Italy
8. National Research Institute Los Angeles California USA
9. School of Medicine Universidad Europea de Madrid Madrid Spain
10. Department of Endocrinology and Nutrition Service Hospital Universitario Quironsalud Madrid Madrid Spain
11. Department of Bariatric Surgery St George Private Hospital Sydney New South Wales Australia
12. Department of Psychiatry, Perelman School of Medicine University of Pennsylvania Philadelphia Pennsylvania USA
13. Department of Nutrition Sciences University of Alabama at Birmingham Birmingham Alabama USA