Contributors

First Edition

Editor

Sanjay Agrawal, MS, FRCSEd, FRCSGlasg, FRCS (Gen. Surg.) Consultant Surgeon, Bariatric Surgery Unit, Homerton University Hospital, London, UK
Honorary Senior Lecturer, Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary, University of London, London, UK
Surgeon of Excellence in Metabolic and Bariatric SurgeryTM, SOEMBSTM

Honorary Editors

Sandeep Aggarwal, MBBS, MS, FACS Department of Surgical Disciplines, All India Institute of Medical Sciences (AIIMS), New Delhi, Delhi, India

Nagammapudur S. Balaji, MD, FRCS Department of GI Surgery, University Hospitals of North Midlands, Stoke on Trent, North Staffordshire, UK

Rachel L. Batterham, MBBS, PhD, FRCP Centre for Obesity Research, Department of Medicine, University College London, London, UK, University College London Hospitals Bariatric Centre for Weight Management and Metabolic Surgery, University College London Hospital, London, UK

Cynthia-Michelle Borg, MD (Malta), MD (London), FRCS Department of Surgery, University Hospital Lewisham, London, UK

Avril A.P. Chang, MBBS, FRACS, FRCS Institute of Minimal Access Surgery, King’s College Hospital NHS Foundation Trust, London, UK

Mervyn Deitel, MD, FASMBS, FACN, CRCSC, FICS Senior Advisor, International Bariatric Club, Editor-in-Chief Emeritus, Obesity Surgery, Toronto, ON, Canada

Omar Khan, MA, PhD, FRCS Department of Bariatric Surgery, St Georges Hospital, London, UK

Yashwant Koak, MS, FRCS, MBChB, MBA, DCH Bariatric Surgery Unit, Homerton University Hospital NHS Foundation Trust, London, UK

Conor J. Magee, MB, ChB, MD, FRCS (Eng/Gen.Surg) Aintree Bariatric Collaborative, Phoenix Health, Aintree University Hospital, Liverpool, UK

Vinod S. Menon, MBBS, MS, FRCS, FRCS (GenSurg) Department of General Surgery, University Hospitals Coventry and Warwickshire NHS Trust, Coventry, UK

Sally A. Norton, MB, ChB, MD, FRCS Department of Surgery, Southmead Hospital, Bristol, Avon, UK

Francesco Rubino, MD Bariatric and Metabolic Surgery, King’s College London, Honorary Consultant Surgeon, King’s College Hospital, London, UK

Dan R. Titcomb, BSc, MB, ChB, FRCS The Oesophagogastric Surgical Unit, University Hospitals Bristol NHS Foundation Trust, Bristol, Avon, UK

Andrew C.T. Wan, FRCS(I), FRCS(Gen Surg) Department of Upper GI and Bariatric Surgery, St. George’s Hospital, London, UK

Authors

Roger Ackroyd, MBChB, MD, FRCS Department of Upper GI and Bariatric Surgery, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK

Marco Adamo, MD Bariatric and Minimally Invasive Surgery, Division of GI Services, UCLH Centre for Weight-loss, Metabolic and Endocrine Surgery, University College London Hospital, London, UK

Sandeep Aggarwal, MBBS, MS, FACS Department of Surgical Disciplines, All India Institute of Medical Sciences (AIIMS), New Delhi, India

Sanjay Agrawal, MS, FRCSEd, FRCSGlasg, FRCS (Gen. Surg.) Consultant Surgeon, Bariatric Surgery Unit, Homerton University Hospital, London, UK
Honorary Senior Lecturer, Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary, University of London, London, UK

Jasmeet Singh Ahluwalia, MS, FNB-MAS Bariatric and Metabolic International Surgery Center, General Surgery, E-Da Hospital Taiwan, Kaohsiung City, Taiwan

Ahmed R. Ahmed, PhD, FRCS Department of Bariatric Surgery, St. Mary’s Hospital, Imperial College London, London, UK

Javed Ahmed, FRCS Division of Surgery, Royal Derby Hospital, Derby, UK

Imran Alam,  MBBS,  BSc,  FRCS(Glas),  FRCSEd,  MD  Department  of  Surgery,  Royal Albert Edwards Infirmary, WWL NHS Foundation Trust, Wigan, UK

Waleed Al-Khyatt, PhD, MRCS Division of Surgery, Royal Derby Hospital, Derby, UK

Robert C. Andrews, MB ChB, PhD, FRCP Department School of Clinical Sciences, School of Clinical Sciences, University of Bristol, Southmead Hospital, Bristol, UK

Luigi Angrisani, MD General and Endoscopic Surgery Unit, S. Giovanni Bosco Hospital, Naples, Italy

Quentin M. Anstee, BSc(Hons), MB BS, PhD, MRCP Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK

Sherif Awad, PhD, FRCS (Gen Surg) The East-Midlands Bariatric and Metabolic Institute (EMBMI), Derby Teaching Hospitals NHS Foundation Trust, Derby, UK

Charles Jack Bain, BSc (Hons), MRCS, MBChB Department of Plastic Surgery, St. George’s NHS Healthcare Trust, London, UK

Shlok Balupuri, MBBS, FRCS, MD Department of Surgery, Sunderland Royal Hospital, Sunderland, UK

Gul Bano, MBBS, MRCP Department of Obesity Medicine, St. George’s Hospital, London, UK

Sean J. Barnett, MD, MS Department of Surgery, Boonshoft School of Medicine, Dayton, OH, USA

Moataz M. Bashah, MD, PhD Metabolic and Bariatric Service, Hamad Medical Corporation, Doha, Qatar

Rachel L. Batterham, MBBS, PhD, FRCP Department of Medicine, University College London, London, UK

Mohit Bhandari, MD Mohak Bariatrics and Robotics Surgery, Sri Aurobindo Institute of Medical Sciences, Indore, India

Angshu Bhowmik, MD, FRCP Department of Respiratory Medicine, Homerton University Hospital, London, UK

Vivek Bindal, MBBS, MS, FNB Department of Surgery, Duke University Medical Center, Durham, NC, USA

Gianluca Bonanomi, MD, FRCS Department of Surgery, Chelsea and Westminster Hospital, London, UK

Cynthia-Michelle Borg, MD (Malta), MD (London), FRCS Department of General Surgery, University Hospital Lewisham, London, UK

Duff M. Bruce, MB, ChB Department of General Surgery, NHS Grampian, Aberdeen, UK Aberdeen Royal Infirmary and Robert Gordon University, Aberdeen, UK

Josemberg M. Campos, PhD Departamento de Cirurgia, Centro de Ciências da Saúde, Universidade Federal de Pernambuco, Recife, Brazil

Pedro P. Caravatto, MD The Center of Obesity and Diabetes, Oswaldo Cruz German Hospital, Sao Paulo, Brazil , The Center of Excellence of Metabolic and Bariatric Surgery, Hospital Oswaldo Cruz, Sao Paulo, Brazil

William R.J. Carr, FRCS Department of Surgery, Sunderland Royal Hospital, Sunderland, UK

Nicholas C. Carter, MBBS, MSc FRCS (Gen.Surg) Department of Upper GI and Bariatric Surgery, Queen Alexandra Hospital, Portsmouth, UK

Giovanni Casella, MD, PhD Surgical Sciences Department, Sapienza, University of Rome, Rome, Italy

Alper Celik Sisli Kolan International Hospital, Istanbul, Turkey

Saurav Chakravartty, MBBS, MS, MRCS Department of Surgery, King’s College Hospital NHS Foundation Trust, London, UK

Po-Chih Chang, MD Bariatric and Metabolic International Surgery Center, General Surgery, E-Da Hospital Taiwan, Kaohsiung City, Taiwan

Steven S. Chang, MD Minimally Invasive Bariatric Surgery, Monterey County Surgical Associates, Monterey, CA, USA

Angela C. Cheung, BSc, MD Division of Gastroenterology, Department of Medicine, University of Toronto, Toronto, ON, Canada

Wui-Hang Cheung, MBBS Centre for Obesity Research, Department of Medicine, University College London, London, UK ,University College London Hospitals Bariatric Centre for Weight Management and Metabolic Surgery, University College London Hospital, London, UK

Massimiliano Cipriano, MD, PhD Surgical Sciences Department, Sapienza, University of Rome, Rome, Italy

Chris S. Cobourn, MD, FRCS(C) Medical Director – Smartshape Weight Loss Centre, Mississauga, ON, Canada

Ricardo Cohen, MD The Center of Obesity and Diabetes, Oswaldo Cruz German Hospital, Sao Paulo, Brazil
The Center of Excellence of Metabolic and Bariatric Surgery, Hospital Oswaldo Cruz, Sao Paulo, Brazil

Simon W. Coppack, BSc, MBBS(hons), MD, FRCP, FRCPS Department of Diabetes, Blizard Institute, Barts and The London School of Medicine, Queen Mary, University of London, London, UK

Giovanni Dapri, MD, PhD, FACS, FASMBS Department of Gastrointestinal Surgery, European School of Laparoscopic Surgery, Saint-Pierre University Hospital, Brussels, Belgium

Mervyn Deitel, MD, FASMBS, FACN, CRCSC, FICS Senior Advisor, International Bariatric Club, Editor-in-Chief Emeritus, Obesity Surgery, Honorary Life Member, IFSO, Toronto, ON, Canada

Simon Dexter, BM, DM Department of Upper GI Surgery, St James’s University Hospital, Leeds, UK

Bert Deylgat, MD  Department of General Surgery, Sint Augustinus Veurne, Veurne, Belgium

Bruno Dillemans, MD Department of General, Pediatric and Vascular Surgery, AZ Sint-Jan Brugge–Oostende AV, Bruges, Belgium

John B. Dixon, MBBS, PhD Department of Hypertension, Stress and Obesity, Baker IDI Heart and Diabetes Institute, Melbourne, VIC, Australia

Julian J. Emmanuel, BSc(Hons), MB, ChB, MRCP, PhD Department of Acute and Metabolic Medicine, Barts Health NHS Trust, London, UK, Barts and The London School of Medicine, Queen Mary, University of London, London, UK

Evangelos Efthimiou, FRCS (Gen Surg) Department of Upper GI Surgery, Chelsea and Westminster Hospital, London, UK

Katrin Eigener, MBBS, MA, FRCA, FFICM Department of Intensive Care, Homerton University Hospital, London, UK

Jessie A. Elliott, MB, BCh, BAO, BA Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Dublin, Ireland

Islam A. El-Sayes, MD Department for Surgery of Obesity and Metabolic Disorders (Center of Excellence), Sana Klinikum Offenbach, Offenbach am Main, Germany

Alex Escalona, MD Department of Surgery, Faculty of Medicine, Universidad de los Andes, Santiago, Chile

Mathias A.L. Fobi, MD, FACS, FASMBS, FACN, FICIS Division of General Surgery, Department of Surgery, Cedars Sinai Medical Center, Los Angeles, CA, USA

Giampaolo Formisano, MD Department of General and Minimally Invasive Surgery, Misericordia Hospital, Grosseto, Italy

Michel Gagner, MD Department of Surgery, Hôpital du Sacré Coeur, Montreal, QC, Canada

Alfredo Genco, MD Surgical Sciences Department, Umberto I° General Hospital, Sapienza University of Rome, Rome, Italy

Elliot  R.  Goodman,   MD  Department   of   Surgery,   Beth   Israel   Medical   Center,   New York, NY, USA, Department of Surgery, Albert Einstein College of Medicine, New York, NY, USA

Christopher James Grocock, MB ChB(Hons), MD, FRCS Department of Upper GI Surgery, Arrowe Park Hospital, Upton, UK

Irfan Halim, MBBS, FRCS, LLB, MSc(Surg) Bariatric Surgery Unit, Homerton University Hospital NHS Foundation Trust, London, UK

Charlotte E. Harper, BSc, PGCert Phoenix Health, Chester, UK

Ariola Hasani, MD Department of Clinical Medicine and Surgery, University of Naples  Federico II, Naples, Italy

David William Haslam, MBBS, DGM Watton Place Clinic, Luton University Hospital, NHS GP Surgery, Watton at Stone, UK

Brandon V. Henry, MD, MPH Department of Surgery, Duke  University  Hospital,  Durham, NC, USA

David F. Hewin, BSc, MD, FRCS(Gen Surg.) Department of General Surgery, Gloucestershire Royal Hospital, Gloucester, UK

Kelvin D. Higa, FACS, FASMBS Clinical Professor of Surgery, UCSF – Fresno, Advanced Laparoscopic Surgery Associates, Director of Minimally Invasive and Bariatric Surgery, Fresno Heart and Surgical Hospital, Fresno, CA, USA

Jacques M. Himpens, MD, PhD Department of Obesity Surgery, St. Blasius General Hospital, Dendermonde, Belgium

Department of Abdominal Surgery, St Pierre University Hospital, Brussels, Belgium

Abigail A. Hine, BSc, MBBS, FRCA Department of Anaesthesia, Taunton and Somerset NHS Trust, Musgrove Park Hospital, Taunton, UK

Amelia Hollywood, PhD, MSc, BSc School of Psychology, University of Surrey, Guildford, UK

Ming-Che Hsin, MD Department of General Surgery, E-Da Hospital Taiwan, Kaohsiung City, Taiwan

Chih-Kun Huang, MD Bariatric and Metabolic International Surgery Center, E-Da Hospital, Kaohsiung City, Taiwan

Neil E. Hutcher, BS, MD Chief Medical Officer, Surgical Review Corporation, Raleigh, NC, USA

Mazen E. Iskandar, MD Department of Surgery, Beth Israel Medical Center, New York,  NY, USA

Neil A. Jennings, MD, MBBS Department of Bariatric Surgery, Sunderland Royal Hospital, Sunderland, UK

Suzanne Hedberg, MD Department of Surgical Research, Sahlgrenska University Hospital, Gothenburg, Sweden

Nicholas J. Kennedy, MBBS, FRCA, FFICM Department of Anaesthesia, Taunton and Somerset NHS Trust, Taunton, UK

David D. Kerrigan, MD(Hons), FRCS, FRCSEd, MBChB Bariatric Surgery Phoenix- Health Supercentre, Phoenix Health, University of Chester and Aintree, Ruthin, UK

Omar Khan, MA, PhD, FRCS Department of Bariatric Surgery, St Georges Hospital, London, UK

Rahat Khan, MBBS, MRCOG Department of Women’s Health, Princess Alexandra Hospital NHS Trust, Harlow, UK

Yashwant Koak, MS, FRCS, MBChB, MBA, DCH Bariatric Surgery Unit, Homerton University Hospital NHS Foundation Trust, London, UK

Kuldeepak S. Kular Department of Bariatric and Metabolic Surgery, Kular College and Hospital, Ludhiana, India

Haris A. Khwaja, DPhil(Oxon), FRCS Department of Upper Gastro-intestinal and Bariatric Surgery, Phoenix Health Bariatric Surgery Ltd, Aintree University Hospital, Liverpool, UK

Paul Constantine Leeder, MB ChB, MD, FRCS Department of Upper GI and Bariatric Surgery, Royal Derby Hospital, Derby, UK

Luc A.G. Lemmens, MD Department of Surgery, AZ Nikolaas, Sint-Niklaas, Belgium

Carel W. le Roux, MBChB, MSC, MRCP, FRCPath, PhD Diabetes Complications Research Centre, Conway Institute of Biomolecular and Biomedical Research, School of Medicine and Medical Sciences, University College Dublin, Dublin, Ireland

Luca Leuratti, MD Department of Bariatric Surgery, S. Maria Nuova Hospital, Florence, Italy

Bradley C. Linden, MD Pediatric Surgical Associates, Minneapolis, MN, USA

Michele Lorenzo, MD, PhD Dirigente Medico di 1 Livello, UOML, Distretto 56, ASL NA3 SUD, Torre Annunziata, Italy

Kamal K. Mahawar, MS, MSc, FRCSEd Department of Surgery, Sunderland Royal Hospital, Sunderland, UK

Conor J. Magee, MB, ChB, MD, FRCS(Eng/Gen.Surg) Aintree Bariatric Collaborative, Phoenix Health, Aintree University Hospital, Liverpool, UK

Roberta Maselli, MD Surgical Sciences Department, Sapienza, University of Rome, Rome, Italy

John Melissas, MD, PhD, FACS Bariatric Unit, Faculty of Medicine, University of Crete, Heraklion, Greece, Department of Surgical Oncology, Heraklion University Hospital, Crete, Greece

Manoj K. Menon, PhD, MRCP (UK) Department of Respiratory Medicine, Homerton University Hospital, London, UK

Karl Miller, MD, FACS Mohamed Bin Rashid Al Maktoum Academic Medical Centre, Dubai Health Care City, Dubai, United Arab Emirates

Simon J.W. Monkhouse, MA, MBBChir, FRCS Department of Bariatric Surgery, Surrey and Sussex Healthcare NHS Trust, Musgrove Park Hospital, Taunton, UK

Maleeha Mughal, MBBS, MSc, MRCS Department of Plastic Surgery, St. George’s Hospital, London, UK

R Muñoz, MD, PhD Department of Digestive Surgery, Pontificia Universidad Católica de Chile, Santiago, Chile

Beth Murgatroyd, BSc, MSc Department of Surgery, King’s College Hospital, London, UK

Karl J. Neff, MBBS, MRCPI Diabetes Complications Research Centre, Conway Institute, School of Medicine and Medical Sciences, University College Dublin, Dublin, Ireland

Senthil Natchimuthi, FRCS Aintree Bariatric Collaborative, Aintree University Hospital, Liverpool, UK

Sally A. Norton, MB ChB, MD, FRCS Department of Surgery, North Bristol NHS Trust, Southmead Hospital, Bristol, UK

Jane Ogden, PhD School of Psychology, University of Surrey, Guildford, UK

Mary P.M. O’Kane, BSc (Hons), MSc Department of Nutrition and Dietetics, Leeds Teaching Hospitals NHS Trust, The General Infirmary at Leeds, Leeds, UK

Torsten Olbers, MD, PhD Department of Surgical Research, Sahlgrenska University Hospital, University of Gothenburg, Gothenburg, Sweden

Corinne E. Owers, MBChB, MRCS Department of Upper GI and Bariatric Surgery, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK

Ameet G. Patel, MS FRCS Department of Surgery, King’s College Hospital NHS Foundation Trust, London, UK

Kamini Patel, MBBS FRCR Department of Radiology, Homerton University NHS Hospital, London, UK

Patricia S. de Paula, MD Research Group CNPq, Universidade Federal de Pernambuco – UFPE, Recife, Brazil

Christopher Peters, MBChB, BSc (Hons), MRCS, PhD Department of Upper GI Surgery, St. Mary’s Hospital, Imperial NHS Trust, London, UK

Tarissa Z. Petry, MD The Center of Obesity and Diabetes, Oswaldo Cruz German Hospital, Sao Paulo, Brazil, The Center of Excellence of Metabolic and Bariatric Surgery, Hospital Oswaldo Cruz, Sao Paulo, Brazil

Gail L. Pinnock, BSc(Hons) Academic Department of Medical and Surgical Gastroenterology, Homerton University Hospital NHS Foundation Trust, London, UK

Erica R. Podolsky, MD Department of Surgery, Duke University Hospital, Durham, NC, USA

Dimitri J. Pournaras, PhD, FRCS Department of General Surgery, Norfolk and Norwich University Hospital, Norwich, UK

Pratyusha Priyadarshini, MBBS, MS Department of Surgical Disciplines, All India Institute of Medical Sciences (AIIMS), New Delhi, India

Andrea Pucci, MD, PhD Centre for Obesity Research, Department  of  Medicine, University College London, London, UK, University College London Hospitals Bariatric Centre for Weight Management and Metabolic Surgery, University College London Hospital, London, UK

Tamara Puplampu, BSc Hon Department of Bariatric Services, Homerton University Hospital NHS Trust, London, UK

Surya Panicker Rajeev, MBBS, MRCP Department of Obesity and Endocrinology, University Hospital Aintree, Liverpool, UK

Rajarajan Ramamoorthy, MBBS, MS, DIP NB, MRCS Department of Bariatric Surgery, Homerton University Hospital NHS Foundation Trust, London, UK

Sasindran Ramar, MBBS, MS, FRCS Department of Surgery, Minimal Access and General Surgery, King’s College Hospital, NHS Foundation Trust, London, UK

Almino C. Ramos, MD Department of Bariatric Surgery, Gastro Obeso Center, Sao Paulo, Brazil

Denise Ratcliffe, DClinPsych, MSc, BSc Psychology Bariatric Surgery Service, Chelsea and Westminster Hospital and Phoenix Health, Chester, London, UK

Marcus Reddy, BSc, FRCS Department of Bariatric Surgery, St. George’s Hospital, London, UK

Adriano Redler, MD, PhD Surgical Sciences Department, Sapienza, University of Rome, Rome, Italy

Miguel Ángel Rubio, MD, PhD Department of Endocrinology Medicine, Hospital Clínico San Carlos, Universidad Complutense Madrid, Madrid, Spain

Robert Rutledge, MD, FACS Center for Laparoscopic Obesity Surgery, Henderson, NV, USA

Alan A. Saber, MD, FACS Department  of  Surgery,  Mount  Sinai  School  of  Medicine, The Brooklyn Hospital Center, Brooklyn, NY, USA

Andrés Sánchez-Pernaute, MD, PhD Department of Surgery, Hospital Clínico San Carlos, Universidad Complutense Madrid, Madrid, Spain

Antonella Santonicola, MD Department of Clinical Medicine and Surgery, University of Naples Federico II, Naples, Italy

Rupa Sarkar, MBBS, MRCS, MD, FRCS Department of Upper GI and Bariatric Surgery, Mid Yorkshire Hospitals NHS Trust, Dewsbury, UK

Peter Sedman, MB, ChB, FRCS Department of Upper Gastrointestinal Surgery, Hull and East Yorkshire Hospitals NHS Trust, Castle Hill Hospital, Cottingham, UK

Susan Simpson, Dip H.E.  Main Theatres, Homerton University Hospital, Hackney, London, UK

Rishi Singhal, MD, FRCS Upper GI and Minimally Invasive Unit, Heart of England NHS Foundation Trust, Birmingham, UK

Peter K. Small, MD, MBBS General Surgery, Sunderland Royal Hospital, Sunderland, UK

Vanessa Snowdon-Carr, BSc(Hons), D.Clin.Psych Department of Bariatric Surgery, Musgrove Park Hospital, Taunton and Somerset NHS Foundation Trust, Taunton, UK

Mark Soldin, MBChB,  FCS(SA)  Plast  Surg,  FRCS  Department  of  Plastic  Surgery,  St. George’s Hospital, London, UK

Shaw Somers, BSc(Hons), MB, ChB, MD, FRCS  Queen Alexandra Hospital, Portsmouth, UK

Ranjan Sudan, MD Department of Surgery, Duke University Medical Center, Durham, NC, USA

Paul Super, MBBS, FRCS Upper GI and Minimally Invasive Unit, Heart of England NHS Foundation Trust, Birmingham, UK

Michel Suter, MD Department of Surgery, Hôpital du Chablais, Aigle-Monthey, Switzerland Department of Visceral Surgery, University Hospital (CHUV), Lausanne, Switzerland

Roberto Maria Tacchino, MD Department of Surgery, Universitá Cattolica SH, Rome, Italy

Amit K. Taggar, MD Department of General Surgery, University of California San Francisco – Fresno, Fresno, CA, USA

Antonio J. Torres, MD, PhD Department of Surgery, Hospital Clínico San Carlos, Universidad Complutense Madrid, Madrid, Spain

Surendra M. Ugale, MBBS, MS, FALS Department of Advanced Laparoscopy and Metabolic Surgery, Kirloskar Hospital, Hyderabad, India

Ramon Vilallonga, MD, PhD Endocrine, Bariatric and Metabolic Unit, Robotic Surgery, General Surgery Department, Universitary Hospital Vall Hebron, Universitat Autònoma de Barcelona, Barcelona, Spain

Andrew C.T. Wan, FRCS(I), FRCS(Gen Surg) Department of Upper GI and Bariatric Surgery, St. George’s Hospital, London, UK

Rudolf A. Weiner, MD, PhD Department Metabolic Surgery, Sana Klinikum Offenbach, Offenbach am Main, Germany, Department for Surgery of Obesity and Metabolic Disorders (Center of Excellence), Offenbach am Main, Germany

Sylvia R. Weiner, MD Department of General, Visceral and Minimally Invasive Surgery, Nordwest Hospital, Frankfurt am Main, Germany

Richard Welbourn, FRCS Department of Upper GI and Bariatric Surgery, Musgrove Park Hospital, Taunton, UK

John Wilding, DM, FRCP Department of Obesity and Endocrinology, Institute of Ageing and Chronic Disease, Clinical Sciences Centre, University Hospital Aintree, Liverpool, UK

Sean A.A. Woodcock, MBBS, MS, FRCS Department of Surgery, North Tyneside Hospital, North Shields, UK

Susannah M. Wyles, MBBS, MRCS, MSc, MD, PhD Department of Surgery, UCSF, San Francisco, CA, USA

Yury I. Yashkov, MD, PhD Department of Obesity Surgery, The Center of Endosurgery and Lithotripsy, Moscow, Russia

Sharon Zarabi, RD, CDN, CPT Department of Bariatric Surgery, North Shore LIJ Lenox Hill Hospital, New York, NY, USA

Peer Reviewers

Rachel Aguilo, MRCS, MBBS, BSc(Hons) ARCS Department of Surgery, Homerton University Hospital NHS Trust, London, UK

Sarah Azas, MBBS, FCPS, FRCS(ed) Department of General and Bariatric Surgery, Homerton University Hospital, London, UK

Cynthia-Michelle Borg, MD(Malta), MD(London), FRCS Department of Surgery, Lewisham and Greenwich NHS Trust – University Hospital Lewisham, London, UK

Ajay P. Belgaunkar, FRCS Department of Liver Transplantation and HPB Surgery, Royal Free Hospital, London, UK

Allwyn M. Cota, MBBS, MSc, FRCS, FRCSEd, FRCS(Gen) Department of Surgery, Royal Cornwall Hospital, Truro, Cornwall, UK

Mervyn Deitel, MD, FASMBS, FACN, CRCSC, FICS Senior Advisor, International Bariatric Club, Editor-in-Chief Emeritus, Obesity Surgery, Toronto, ON, Canada

Ashish P. Desai, FRCS(PAED), FEBPS, MCh(PaedSurg) Department of Paediatric Surgery, King’s College Hospital, London, UK

Tabinda Dugal, MB,BS, MRCP(Ire) Department of Diabetes and Endocrine, Royal Cornwall Hospital, Truro, Cornwall, UK

Luciana El-Kadre, MD, MSc, PhD, FACS Private practice, Rio de Janeiro, Brazil

Julian J. Emmanuel, BSc(Hons), MB, ChB, MRCP, PhD Department of Acute and Metabolic Medicine, Barts Health NHS Trust, London, UK , Barts and The London School of Medicine, Queen Mary, University of London, London, UK

Cleverly S.M. Fong, MNutr Department of Bariatric Surgery, Homerton University Hospital, London, UK

Martin Fried, MD, PhD Department of Bariatric and Metabolic Surgery, OB Klinika, Prague, Czech Republic, 1st Faculty of Medicine, Charles University, Prague, Czech Republic

Irfan Halim, MBBS, FRCS, LLB, MSc(Surg) Bariatric Surgery Unit, Homerton University Hospital NHS Foundation Trust, London, UK, Oesophagogastric and Hepatopancreaticobiliary Unit, The Royal Marsden Hospital, London, UK

Nick C. Hawkes, BA, BSc, ClinPsyD Phoenix Wing Eating Disorders Service, St. Ann’s Hospital, Barnet Enfield and Haringey Mental Health NHS Trust, London, UK

William J. Hawkins, MbChB, FRCS, DipMedEd Department of General Surgery, St. Richard’s Hospital, Western Sussex Hospitals NHS Foundation Trust, Chichester, West Sussex, UK

Avinash K. Kanodia, MBBS, MD, DM Department of Radiology, Perth Royal Infirmary, Dundee, Scotland, UK

Nicholas J. Kennedy, MBBS, FRCA, FFICM Department of Anaesthesia, Tauton and Somerset NHS Trust, Tauton, Somerset, UK

Omar Khan, MA, PhD, FRCS Department of Bariatric Surgery, St Georges Hospital, London, UK

Rakesh Kumar, MBBS, MRCGP Primary Care, NHS, Suttons Avenue Surgery, Hornchurch, Essex, UK

Santanu Mukhopadhyay, MBBS, MD, FCARCSI Department of Anaesthetics, Homerton University Hospital, London, UK

Patrick B. Murphy, MB BS, BSc(Hons), PhD Lane Fox Unit, Guy’s and St. Thomas’ NHS Foundation Trust, London, UK

Marcus H. Ornstein, MB, ChB, FRCS Department of Postgraduate Education, Barts Cancer Institute, Queen Mary University of London, London, UK

Raj H. Ragoowansi, MB, MSc, FRCS(Plast) Department of Plastic and Reconstructive Surgery, Barts Health NHS Trust, London, UK

Rajarajan Ramamoorthy, MBBS, MS, DIP NB, MRCS Department of Bariatric Surgery, Homerton University Hospital NHS Foundation Trust, London, UK

Christian Schwiebert, MD, FRCA Department of Anaesthesia, Crital Care and Pain Medicine, Homerton University Hospital NHS Foundation Trust, London, UK

Manisha Sharma, MBBS, MSc, FRCPath (Chem Path) Department of Clinical Biochemistry, Homerton University Hospital Foundation NHS Trust, Homerton, Hackney, UK

C.K. Sinha, MS, FRCSEd, FRECSI, FRCS, Mch Department of Paediatric Surgery, St. George’s Hospital, London, UK

Ramon Vilallonga, MD, PhD Endocrine, bariatric and Metabolic Unit, Robotic Surgery, General Surgery Department, Universitary Hospital Vall Hebron, Universitat Autònoma de Barcelona, Barcelona, Spain