About the Authors

Emma Rose McGlone

Roles Conceptualization, Data curation, Writing – original draft, Writing – review & editing

Affiliations National Bariatric Surgical Registry (NBSR)/British Obesity and Metabolic Surgical Society (BOMSS), Royal College of Surgeons of England, London, United Kingdom, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, United Kingdom

Iain Carey

Roles Data curation, Formal analysis, Writing – original draft

Affiliation Population Health Research Institute, St George’s Hospital, University of London, London, United Kingdom

Vladica Veličković

Roles Formal analysis, Methodology, Writing – original draft

Affiliation Institute of Public Health, Medical Decision Making and Health Technology Assessment, UMIT, Hall in Tirol, Austria

Prem Chana

Roles Conceptualization, Writing – review & editing

Affiliation National Bariatric Surgical Registry (NBSR)/British Obesity and Metabolic Surgical Society (BOMSS), Royal College of Surgeons of England, London, United Kingdom

Kamal Mahawar

Roles Conceptualization, Writing – review & editing

Affiliation National Bariatric Surgical Registry (NBSR)/British Obesity and Metabolic Surgical Society (BOMSS), Royal College of Surgeons of England, London, United Kingdom

Rachel L. Batterham

Roles Conceptualization, Writing – original draft

Affiliations National Bariatric Surgical Registry (NBSR)/British Obesity and Metabolic Surgical Society (BOMSS), Royal College of Surgeons of England, London, United Kingdom, UCL Centre for Obesity Research, Division of Medicine, Rayne Building, University College London, London, United Kingdom, National Institute of Health Research, UCLH Biomedical Research Centre, London, United Kingdom

James Hopkins

Roles Conceptualization, Writing – review & editing

Affiliation National Bariatric Surgical Registry (NBSR)/British Obesity and Metabolic Surgical Society (BOMSS), Royal College of Surgeons of England, London, United Kingdom

Peter Walton

Roles Conceptualization, Data curation, Writing – review & editing

Affiliation National Bariatric Surgical Registry (NBSR)/British Obesity and Metabolic Surgical Society (BOMSS), Royal College of Surgeons of England, London, United Kingdom

Robin Kinsman

Roles Conceptualization, Data curation, Writing – review & editing

Affiliation National Bariatric Surgical Registry (NBSR)/British Obesity and Metabolic Surgical Society (BOMSS), Royal College of Surgeons of England, London, United Kingdom

James Byrne

Roles Conceptualization, Writing – review & editing

Affiliation National Bariatric Surgical Registry (NBSR)/British Obesity and Metabolic Surgical Society (BOMSS), Royal College of Surgeons of England, London, United Kingdom

Shaw Somers

Roles Conceptualization, Writing – review & editing

Affiliation National Bariatric Surgical Registry (NBSR)/British Obesity and Metabolic Surgical Society (BOMSS), Royal College of Surgeons of England, London, United Kingdom

David Kerrigan

Roles Conceptualization, Writing – review & editing

Affiliation National Bariatric Surgical Registry (NBSR)/British Obesity and Metabolic Surgical Society (BOMSS), Royal College of Surgeons of England, London, United Kingdom

Vinod Menon

Roles Conceptualization, Writing – review & editing

Affiliation National Bariatric Surgical Registry (NBSR)/British Obesity and Metabolic Surgical Society (BOMSS), Royal College of Surgeons of England, London, United Kingdom

Cynthia Borg

Roles Conceptualization, Writing – review & editing

Affiliation National Bariatric Surgical Registry (NBSR)/British Obesity and Metabolic Surgical Society (BOMSS), Royal College of Surgeons of England, London, United Kingdom

Ahmed Ahmed

Roles Conceptualization, Writing – review & editing

Affiliation National Bariatric Surgical Registry (NBSR)/British Obesity and Metabolic Surgical Society (BOMSS), Royal College of Surgeons of England, London, United Kingdom

Bruno Sgromo

Roles Conceptualization, Writing – review & editing

Affiliation National Bariatric Surgical Registry (NBSR)/British Obesity and Metabolic Surgical Society (BOMSS), Royal College of Surgeons of England, London, United Kingdom

Chandra Cheruvu

Roles Conceptualization, Writing – review & editing

Affiliation National Bariatric Surgical Registry (NBSR)/British Obesity and Metabolic Surgical Society (BOMSS), Royal College of Surgeons of England, London, United Kingdom

Gul Bano

Roles Conceptualization, Writing – review & editing

Affiliation St George’s Hospital, London, United Kingdom

Catherine Leonard

Roles Methodology, Writing – review & editing

Affiliation Medtronic Ltd, Croxley Green Business Park, Hatters Lane, Watford, United Kingdom

Howard Thom

Roles Methodology, Writing – original draft

Affiliation Department of Population Health Sciences, Bristol Medical School, University of Bristol, United Kingdom

Carel W le Roux

Roles Conceptualization, Writing – original draft

Affiliation Diabetes Complications Research Centre, University College Dublin, Dublin, Ireland

Marcus Reddy

Roles Conceptualization, Writing – review & editing

Affiliation National Bariatric Surgical Registry (NBSR)/British Obesity and Metabolic Surgical Society (BOMSS), Royal College of Surgeons of England, London, United Kingdom

Richard Welbourn

Roles Conceptualization, Data curation, Writing – review & editing

Affiliation National Bariatric Surgical Registry (NBSR)/British Obesity and Metabolic Surgical Society (BOMSS), Royal College of Surgeons of England, London, United Kingdom

Peter Small

Roles Conceptualization, Supervision, Writing – review & editing

Affiliation National Bariatric Surgical Registry (NBSR)/British Obesity and Metabolic Surgical Society (BOMSS), Royal College of Surgeons of England, London, United Kingdom

Omar A. Khan

Roles Conceptualization, Formal analysis, Funding acquisition, Methodology, Supervision, Writing – original draft

omar.khan7000@gmail.com

Affiliations National Bariatric Surgical Registry (NBSR)/British Obesity and Metabolic Surgical Society (BOMSS), Royal College of Surgeons of England, London, United Kingdom, Population Health Research Institute, St George’s Hospital, University of London, London, United Kingdom, St George’s Hospital, London, United Kingdom

Competing Interests

I have read the journal's policy and the authors of this manuscript have the following competing interests, outside of the submitted work: KM has been paid honorarium by Medtronic, Ethicon, Olympus, Gore, and various NHS Trusts for educational activities; RB has received personal fees from Novo Nordisk, Pfizer, GSK and is a Principle Investigator) for studies funded by Novo Nordisk and Fractyl; HT has received personal fees from Novartis Pharma AG, Pfizer Inc, Roche Holding AG, Bayer AG and Janssen; CLR reports grants from Science Foundation Ireland and the Health Research Board, other from NovoNordisk and GI Dynamics, personal fees from Eli Lilly, grants and personal fees from Johnson and Johnson, personal fees from Sanofi Aventis, Astra Zeneca, personal fees Janssen, Bristol-Myers Squibb, and Boehringer-Ingelheim; RW reports personal fees from Novo Nordisk and OAK reports personal fees from Johnson and Johnson. The authors declare no other relationships or activities that could appear to have influenced the submitted work.