Contributors

Edgar ACHKAR, MD, FACP
Vice Chairman, Department of Gastroenterology, The Cleveland Clinic Foundation, Cleveland, USA
Ermanno ANCONA, MD, FACS
Professor of Surgery, Giustinianeo Hospital, Padova, Italy
Mehran ANVARI, MB, BS, FRCSC
Assistant Professor of Surgery, Director, Gastrointestinal Motility Laboratory, McMaster University, Hamilton, ON, Canada
Henry D. APPELMAN, MD
Professor of Pathology, University of Michigan Hospitals, Ann Arbor, MI, USA
David ARMSTRONG, MD
Division of Gastroenterology, McMaster University, Hamilton, ON, Canada
Stephen E.A. ATTWOOD, FRCS
Esophageal & Gastric Surgery, Hope Hospital, Salford, UK
Fabio BALDI, MD
Department of Gastroenterology, Policlinico S. Orsola, Bologna, Italy,
John BANCEWICZ, MD
Professor of Surgery, University of Manchester, Salford, UK
Simmy BANK, MD
Professor of Medicine, Long Island Jewish Medical Center, New Hyde Park, NY, USA
Jean-Philippe BARBIER, MD
Professor of Gastroenterology, Laennec University Hospital, Paris, France
Jamie S. BARKIN, MD, FACP
Professor of Medicine, Mount Sinai Medical Center, Miami Beach, FL, USA
Hugh BARR, ChM, MD, FRCS, FRCSE
Professor of Surgery, Gloucestershire Royal and Cranfield University, Gloucester, UK
Jacques BAULIEUX, MD
Professor of Surgery, Croix Rousse Hospital, Lyons, France
C. BEAUVILLAIN de MONTREUIL, MD
Professor of Oto-Laryngology, Hôtel-Dieu University Hospital, Nantes, France
Paolo BECHI, MD
Associate Professor of Surgery, Florence University, Florence, Italy
Jose BEHAR, MD
Professor of Medicine, Rhode Island Hospital, Providence, RI, USA
Luigi BENINI, MD
Gastroenterology, Medical Clinic, Valeggio Sul Mincio (Verona), Italy
John R. BENNETT, MD
Professor of Medicine, Westella, UK
Malcolm M. BERENSON, MD
Professor of Medicine, University Medical Center, Salt Lake City, UT, USA
Leslie H. BERNSTEIN, PhD
Professor and Scientific Director, Preventive Medicine, USC/Norris Comprehensive Cancer Center, Los Angeles, CA, USA
Piero BIANCANI, PhD
Director, Gastrointestinal Motility Research Laboratory, Rhode Island Hospital, Providence, RI, USA
Klaus BIELEFELDT, MD, PhD
Internal Medicine, University of Iowa, Iowa City, IA, USA,
Ashley BLACKSHAW, PhD
Nerve-Gut Laboratory, Royal Adelaide Hospital, Adelaide, SA, Australia
Guy E. BOECKXSTAENS, MD
Gastroenterology, Academic Medical Center, Amsterdam, The Netherlands
Luigi BONAVINA, MD
Institute of Surgical Oncology, Milan, Italy
Thomas J. BORODY, MD, FRACP, FACG
Center for Digestive Diseases, Sydney, NSW, Australia
Aurora BORTOLI, MD
Gastroenterology, Rho Hospital, Rho, Italy
Mauro BORTOLOTTI, MD
Professor of Gastroenterology, Policlinico S. Orsola, Bologna, Italy
Jean BOULEZ, MD
Professor of Surgery, Edouard-Herriot University Hospital, Lyons, France
Philippe BOUTELIER, MD
Professor of Surgery, Jean Verdier Hospital, Bondy, France
H. Worth BOYCE, Jr., MD
Professor of Medicine and Director, Center for Swallowing Disorders, USF Medical Center,
Tampa, FL, USA
Italo BRAGHETTO, MD
Department of Surgery, University Hospital, Santiago, Chile
Dörthe S. BRANDT, MD
Nuclear Medicine Service, VA Medical Center, Hampton, VA, USA
Cedric G. BREMNER, MD
Professor of Clinical Surgery, Director of Clinical Research, USC, Los Angeles, CA, USA
Ross M. BREMNER, MD
Department of Surgery, USC, Los Angeles, CA, USA
Vittorio BRESADOLA
Institute of Pathology, Sassari, Italy
S. BRULEY des VARANNES, MD
Gastroenterology, Hôtel Dieu University Hospital, Nantes, France
G. BRUNNER, MD
Professor of Medicine, Medical University of Hannover, Hannover, Germany
Patrick J. BYRNE, PhD, MSc
Department of Surgery, St James's Hospital, Dublin, Ireland
Guillaume CADIOT, MD
Gastroenterology, Bichat-Claude Bernard University Hospital, Paris, France
Jean CADY, MD
General and Endoscopic Surgery, Paris, France
Antonio CALABRO, MD
Gastroenterology, University of Florence, Florence, Italy
Alan J. CAMERON, MD
Gastroenterology and Internal Medicine, Mayo Clinic, Rochester, MN, USA
Marcia Irene CANTO, MD, MHS
Director, Therapeutic Endoscopy, The Johns Hopkins Hospital, Baltimore, MD, USA
Guillaume CARGILL, MD
Functional investigations, Paris, France,
Donald O. CASTELL, MD
Professor and Chairman, Department of Medicine, The Graduate Hospital, Philadelphia, PA, USA
June A. CASTELL, MD
Department of Medicine, The Graduate Hospital, Philadelphia, PA, USA
Ivan CECCONELLO, MD
Surgery, University Hospital, Sao Paulo, Brazil
Gérard CHAMPAULT, MD
Professor of Surgery, Jean Verdier Hospital, Bondy, France
Francis Ka-Leung CHAN, MD
Gastroenterology, The Chinese University of Hong Kong, Shatin, NT, Hong-Kong
Michael Y. CHEN, MD
Department of Radiology, Bowman Gray School of Medicine, Winston Salem, NC, USA
Juan Carlos CHIOCCA, MD
Gastroenterology, National Hospital, Buenos Aires, Argentina
Geoffrey W.B. CLARK, FRCS (Ed), MD
Lecturer, Department of Surgery, University of Wales, Cardiff, UK
Jean-Marie COLLARD, MD
Professor of Surgery, Saint-Luc University Clinics, Brussels, Belgium
Brian T. COOPER, MD, FRCP
Gastroenterology Unit, City Hospital, Birmingham, UK
Mario COSTANTINI, MD
Assistant Professor of Surgery, University of Padova, Padova, Italy
Daniel COUTURIER, MD
Professor of Gastroenterology, Cochin University Hospital, Paris, France
Peter F. CROOKES, MD
Assistant Professor of Surgery, USC, Los Angeles, CA, USA
Attila CSENDES, MD, FACS
Professor of Surgery, University of Chile, Clinical Hospital, Santiago, Chile
Roberto O. DANTAS, MD
Internal Medicine, Faculty of Medecine USP, Ribeirao Preto, SP, Brazil
Kiron M. DAS, MD
Professor of Medicine, Molecular Genetics, UMDNJ, New Brunswick, NJ, USA
Alberto DEL GENIO, MD
Professor of Surgery, Second University of Naples, Naples, Italy
John Del VALLE, MD
Associate Professor of Medicine, Gastrointestinal Peptide Research Center, Ann Arbor, MI, USA
A.W. DELLIPIANI, MD
Middlesbrough, Cleveland, UK
Michel DELVAUX, MD
Gastroenterology and Nutrition, Rangueil University Hospital, Toulouse, France
Tom R. DeMEESTER, MD
Professor and Chairman, Department of Surgery, USC, Los Angeles, CA, USA
Nicholas J. DEMOS, MD
Thoracic, Cardiac & Vascular Surgery, Short Hills, NJ, USA
Aureo Ludovico DePAULA, MD
Director, Endoscopic Surgery Department, Samaritano Hospital, Goiania, Brazil
Carlo Di LORENZO, MD
Associate Professor of Pediatrics, Children's Hospital, Pittsburgh, PA, USA
Natale DI MARTINO, MD
Professor of Gastrointestinal Surgery, Second University of Naples, Naples, Italy
H.J. DITTLER, MD
Department of Surgery, Technical University of Munich, Munich, Germany
Philip E. DONAHUE, MD
Professor of Surgery and, Chairman Division of General Surgery, Cook County Hospital,
Chicago, IL, USA
André DUBOIS, MD
Professor of Medicine & Surgery (Research), Uniformed Services University, of Health Sciences, Bethesda, MD, USA
Philippe DUCROTTE, MD,
Professor of Gastroenterology, Charles Nicolle University Hospital, Rouen, France
Domenico D'UGO, MD
Department of Surgery, Catholic University of Rome, Rome, Italy
F. Henry ELLIS Jr, MD
Chief Emeritus, Cardiothoracic Surgery, New England Deaconess Hospital, Boston, MA, USA
Mitsuo ENDO, MD
Professor of Surgery, Tokyo Medical and Dental University, Tokyo, Japan
Ernst P. EYPASCH, MD
II Department of Surgery, Cologne University Hospital, Cologne, Germany,
Gregory L. FALK, MB, BS, FRACS
Medical Director, Sydney Esophageal Services, Sydney, NSW, Australia
Jürgen FASS, MD
Associate Professor of Surgery, University Hospital, Aachen, Germany
Martin FEIN, MD
Department of Surgery, University Hospital, Würzburg, Germany
René FIASSE, MD
Professor of Gastroenterology, Catholic University Hospital, Brussels, Belgium
Richard J. FINLEY, MD, FRCSC, FACS
Professor of Surgery, University of British Columbia, Vancouver, BC, Canada
Jean FIORAMONTI, MD
Pharmacology and Toxicology Laboratory, INRA, Toulouse, France
Jean-François FLEJOU, MD
Professor of Pathology, Beaujon University Hospital, Clichy-Paris, France
Edward FRICKER, MD
Gastroenterology, Valdosta, CA, USA
Karl H. FUCHS, MD, PhD
Professor of Surgery, University Hospital, Würzburg, Germany
Michael GADENSTÄTTER, MD
Department of Surgery, University Hospital, Innsbruck, Austria
Jean-Paul GALMICHE, MD
Professor of Gastroenterology, Hôtel Dieu University Hospital, Nantes, France
Vincente GARRIGUES, MD
Internal Medicine, La Fe Hospital, Valencia, Spain
Brice GAYET, MD
Professor of Surgery, Montsouris Choisy Institute, Paris, France
Karl GEBOES, MD
Professor of Pathology, San Raphael University Hospital, Louvain, Belgium
R. Matthew GIDEON, MD
Supervisor, Esophageal Laboratory, The Graduate Hospital, Philadelphia, PA, USA
John R. GOLDBLUM, MD
Dept of Anatomic Pathology, The Cleveland Clinic Foundation, Cleveland, OH, USA
D.A. GORARD, MD
Gastroenterology, St Bartholomew's Hospital, London, UK
Thomas H. GOUGE, MD
Professor of Surgery, New York University Medical Center, New York, NY, USA
Louis GRIFFEL, MD
Assistant Professor of Medicine, UMDNJ, New Brunswick, NJ, USA
Rodger C. HAGGITT, MD
Professor of Pathology, University of Washington Medical Center, Seattle, WA, USA
Stanley R. HAMILTON, MD
Professor of Pathology & Oncology, Johns Hopkins Medical Institutions, Baltimore, MD, USA
Suzan M. HARDING, MD
Assistant Professor of Medicine, UAB Station, Birmingham, AL, USA
John W. HARMON, MD
Professor & Chief Surgical Service, Johns Hopkins Bayview Medical Center, Baltimore, MD, USA
Eric HASSALL, MD, MBChB
Head of the Division of Pediatric Gastroenterology, BC Children's Hospital, Vancouver, BC, Canada
Johannes HEIMBUCHER, MD
Department of Surgery, University Hospital, Würzburg, Germany
John A.M. HENDERSON, MB, FRCP
Department of Medicine, Ottawa General Hospital, Ottawa, ON, Canada
Ronald A. HINDER, MD
Professor and Chairman, Department of Surgery, Mayo Clinic, Jacksonville, FL, USA
Basil I. HIRSCHOWITZ, MD
Professor of Medicine, Lyons Harrison Research Bldg, Birmingham, AL, USA
Stephan HOLLERBACH, MD
Department of Internal Medicine, University of Regensburg, Regensburg, Germany
Richard H. HOLLOWAY, MD
Gastroenterology, Nerve-Gut Laboratory, Royal Adelaide Hospital, Adelaide, SA, Australia
Arnulf H. HÖLSCHER, MD
Professor of Surgery, Cologne University Hospital, Cologne, Germany
Peter HOLZER, MD
Professor of Pharmacology, Karl-Franzens-University, Graz, Austria
David HOPWOOD, MD, PhD
Department of Pathology, Ninewells Hospital, Dundee, UK
Pamela J. HORNBY, MD
Department of Pharmacology, Louisiana State University Medical Center, New Orleans, LA, USA
Joseph J. HSU, MD
The Isaac Gordon Center for Digestive Diseases, Rochester, NY, USA
Olivier HUBER, MD
Department of Surgery, University Hospital, Geneva, Switzerland
Kazuhiro IWASE, MD
Department of Surgery, Osaka University Medical School, Osaka, Japan
Ryo IZUTANI, MD
Department of Surgery, Kinki University School of Medicine, Osaka, Japan
Glyn G. JAMIESON, MD
Professor and Chairman, Department of Surgery, Royal Adelaide Hospital, Adelaide, SA, Australia
Jozef JANSSENS, MD
Professor of Gastroenterology, Leuven University Hospital, Leuven, Belgium
Jan JOHANSSON, MD
Department of Surgery, University Hospital, Lund, Sweden
Lawrence F. JOHNSON, MD, FACP
Professor of Medicine, Director Esophageal Program & GI Laboratory, Birmingham, AL, USA
Folke JOHNSSON, MD, PhD
Department of Surgery, Lund University, Lund, Sweden
Brian T. JOHNSTON, MD
Consultant Physician, Lagan Valley Hospital, Lisburn, Co. Antrim, UK
Stephen G. JOLLEY, MD
Surgery of Newborns, Infants,, Children & Adolescents, Las Vegas, NV, USA
Sritharan S. KADIRKAMANATHAN, FRCS
Gastrointestinal Science Research Unit, The Royal London Hospital, London, UK
Peter J. KAHRILAS, MD
Professor of Medicine, Northwestern University Medical School, Chicago, IL, USA
Werner K.H. KAUER, MD
Department of Surgery, Technical University of Munich, Munich, Germany
Tatsuyki KAWANO, MD
Esophageal Surgery, Endoscopy, Tokyo Medical and Dental University, Tokyo, Japan
John E. KELLOW, MD
Professor of Medicine, Royal North Shore Hospital, ST. Leonards, NSW, Australia
David P. KELSEN, MD
Professor and Chief, Gastrointestinal Oncology Service, Memorial Sloan-Kettering Cancer Center, New York, NY, USA
Ali KESHAVARZIAN, MD, FACP
Professor of Medicine & Pharmacology, Director, Gastroenterology Division, Loyola University Medical Center, Maywood, IL, USA
Richard KIM, MD
Assistant Professor of Medicine, Presbyterian University Hospital, Pittsburgh, PA, USA
Andrew N. KINGSNORTH, MD
Professor of Surgery, Derriford Hospital, Plymouth, UK
Hans R. KOELZ, MD
Professor of Medicine, Triemli Hospital, Zurich, Switzerland,
Peter H. KOHEK, MD
Professor of Surgery, University of Graz Medical School, Graz, Austria
René LAMBERT, MD
Professor of Gastroenterology, Edouard Herriot University Hospital, Lyons, France
Arnon LAMBROZA, MD
Gastroenterology, New York, NY, USA
Angel LANAS, MD, DSc
Assistant Professor of Medicine, University Hospital L. Blesa, Zaragoza, Spain
Luis Sergio LEONARDI, MD
Professor and Chairman, Digestive Disease Surgical Unit, UNICAMP School of Medicine, Campinas SP, Brazil
Toni LERUT, MD
Professor of Surgery, University Hospital, Leuven, Belgium
Dorothea LIEBERMANN-MEFFERT, MD
Professor of Surgery, Technical University of Munich, Munich, Germany
Charles J. LIGHTDALE, MD
Professor of Clinical Medicine, Columbia-Presbyterian Medical Center, New York, NY, USA
Ramon LILLO-GIL, MD
Thoracic Surgery, University Hospital, Lund, Sweden
Giles Richard LOCKE III, MD
Gastroenterology Unit, Mayo Clinic, Rochester, MN, USA
Lars LUNDELL, MD, PhD
Professor of Surgery, Laboratory of Gastroenterology, Sahlgren's University Hospital, Gothenburg, Sweden
Vincenzo MAFFETTONE, MD
Digestive Surgery, School of Medicine, Second University of Naples, Naples, Italy
Juan-R. MALAGELADA, MD
Professor of Gastroenterology, Digestive System Research Unit, Vall d'Hebron General Hospital, Barcelona, Spain
Allen MANGEL, MD, PhD
Associate Director, Gastrointestinal Clinical Research, Glaxo Wellcome Inc., Research Triangle Park, NC, USA
Luisa F. MARTINEZ DE HARO, MD
Department of Surgery, Virgen Arrixaca University Hospital, Murcia, Spain
Leonardo MARZIO, MD
Professor of Medicine, G. d'Annunzio University, Pescara, Italy
Rodney J. MASON, MD
Department of Surgery, USC Healthcare Consultation Center, Los Angeles, CA, USA,
Sandro MATTIOLI, MD
Associate Professor of Surgery, Policlinico S. Orsola, Bologna, Italy
Richard W. McCALLUM, MD, FACP, FRACP (Australia), FACG
Professor of Medicine, Chief Gastroenterology Hepatology Division, KUMC, Kansas City, KS, USA
Fermin MEARIN, MD
Digestive System Research Unit, Vall d'Hebron General Hospital, Barcelona, Spain
René MENGUY, MD
Professor of Surgery, The Genesee Hospital, Rochester, NY, USA
M.B.E. MENKE-PLUYMERS, MD, PhD
Department of Surgery, University Hospital Rotterdam Dijkzigt, Rotterdam, The Netherlands
Etienne H. METMAN, MD
Professor of Gastroenterology and Nutrition, Trousseau University Hospital, Tours, France
Michel MIGNON, MD
Professor of Gastroenterology, Bichat - Claude-Bernard University Hospital, Paris, France
Frank H. MILLER, MD
Assistant Professor of Radiology, Northwestern University Medical School, Chicago, IL, USA
Pawel MISIUNA, MD
Professor of Surgery, Medical Academy Lublin, Lublin, Poland
Ravinder K. MITTAL, MD
Professor of Medicine, Division of Gastroenterology, University of California San Diego,
San Diego CA, USA
A. MIZUMOTO, MD
Gastrointestinal Research Laboratory, The Gunma University, Maebashi, Japan
A.H. MULDER, MD
Pathology Laboratory, Dordrecht Hospital, Dordrecht, The Netherlands
William P. MULLOY, MD
Internal Medicine, Philadelphia, PA, USA
Alexander MUNRO, MD
Consultant Surgeon, Raigmore Hospital, Inverness, UK
Yoko MURATA, MD
Department of Endoscopy, Tokyo Women's Medical College, Tokyo, Japan
Nate MYERS, MD, FRCS, FRACS
Senior Consultant Surgeon, Royal Children's Hospital, Parkville, VI, Australia
Timothy T. NOSTRANT, MD
Associate Professor of Medicine, University of Michigan Medical Center, Ann Arbor, MI, USA
Lars NY, MD
Clinical Pharmacology, Lund University Hospital, Lund, Sweden

H. OBERTOP, MD
Professor and Chairman, Department of Surgery, Academic Medical Center, Amsterdam,
The Netherlands
Lars C. OLBE, MD
Department of Surgery II, Sahlgren's University Hospital, Gothenburg, Sweden
Susan R. ORENSTEIN, MD
Professor of Pediatrics, University Children's Hospital, Pittsburgh, PA, U.S.A
Roy C. ORLANDO, MD
Professor of Medicine & Physiology, Tulane University Medical Center, New Orleans, LA, USA
Gerald C. O'SULLIVAN, M.Ch, FRCSI
Department of Surgery, Mercy Hospital, Cork, Ireland
David J. OTT, MD
Professor of Radiology, The Bowman Gray School of Medicine, Winston-Salem, NC, USA
Bergein F. OVERHOLT, MD, FACP
GIA Gastrointestinal Associates, PC, Knoxville, TN, USA
Fabio PACE, MD
Gastrointestinal Unit, L. Sacco Hospital, Milan, Italy
Pankaj Jay PASRICHA, MD
Therapeutic Endoscopy Laboratory, University of Texas Medical Branch, Galveston, TX, USA
William G. PATERSON, MD
Associate Professor of Medicine and Biology, Hotel Dieu Hospital, Kingston, ON, Canada
Marco PATTI, MD
Assistant Professor of Surgery, Gastrointestinal Research Laboratory, University of California,
San Francisco, CA, USA
Sven Arne PEDERSEN, MD
Gastrointestinal Surgery, Odense University Hospital, Odense, Denmark
Theo L. PEETERS, MD
Professor of Medicine, Gut Hormone Laboratory, Center for Gastroenterology Research, Leuven, Belgium
Carlos A. PELLEGRINI, MD
Professor and Chairman, Department of Surgery, University of Washington, Seattle, WA, USA
Roberto PENAGINI, MD
Gastroenterology, Institute of Medical Sciences, Milan, Italy
Alberto PERACCHIA, MD, FACS
Professor of Surgery and Surgical Oncology, University of Milan, Milan, Italy
Julio PEREZ DE LA SERNA, MD
Gastroenterology, San Carlos University Hospital, Madrid, Spain
Jeffrey H. PETERS, MD
Assistant Professor of Surgery, USC Healthcare Consultation Center, Los Angeles, CA, USA
V. PONS, MD
Gastroenterology Unit, La Fe Hospital, Valencia, Spain
Charles E. POPE II, MD
Professor of Medicine, University of Washington School of Medicine, Seattle, WA, USA
Philippe POUDEROUX, MD
Hepatology-Gastroenterology, Caremeau Hospital, Nîmes, France
Dawn PROVENZALE, MD
Gastrointestinal Outcomes Research, Duke University Medical Center, Durham, NC, USA
Eamonn N.M. QUIGLEY, MD, FRCP
Professor of Gastroenterology & Hepatology, University of Nebraska Medical Center, Omaha, NE, USA
Sanku S.C. RAO, MD
Assistant Professor of Medicine, University of Iowa Hospitals & Clinics, Iowa City, IA, USA
Peter I. REED, FRCP, FRCPC
Lady Sobell Gastrointestinal Unit, Wexham Park Hospital, Slough, UK
Jean-François REY, MD
Hepatology and Gastroenterology, Institut Arnault Tzanck, Saint-Laurent-du-Var, France
Joel E. RICHTER, MD
Professor and Chairman, Department of Gastroenterology, The Cleveland Clinic Foundation, Cleveland, OH, USA
Robert H. RIDDELL, MD
Professor of Pathology, McMaster University Medical Center, Hamilton, ON, Canada
Malcolm G. ROBINSON, MD, FACP, FACG
Professor of Clinical Medicine, Oklahoma Foundation for Digestive Research, Oklahoma City, OK, USA
Jack A. ROTH, MD
Professor and Chairman, Department of Thoracic Surgery, MD Anderson Cancer Center, Houston, TX, USA
Jacques ROUESSE, MD
Professor of Oncology, Director, René Huguenin Center, Saint-Cloud, France
Magnus RUTH, MD, PhD
ENT Clinic, University Hospital, Gothenburg, Sweden
Farrokh SAIDI, MD, FACS, FRCS
Professor of Surgery, Teheran, Iran
Barry A. SALKY, MD
Professor of Endoscopic Surgery, The Mount Sinai Medical Center, New York, NY, USA
Jarmo A. SALO, MD
Thoracic and Cardiovascular Surgery, Helsinki University Central Hospital, Helsinki, Finland
Richard E. SAMPLINER, MD
Professor of Medicine, Arizona Health Sciences Center, Tucson, AZ, USA
Jerzy SAROSIEK, MD, PhD
Research Professor of Medicine, KUMC, Kansas City, KS, USA
Roger SARRAZIN, MD
Professor of Surgery, University Hospital Medical Center, Grenoble, France
Carmelo SCARPIGNATO, MD
Professor of Pharmacology, Institute of Pharmacology, Maggiore Hospital, Parma, Italy,
Joachim H. SCHNEIDER, MD
Department of Surgery, Eberhard-Karls-University, Tubingen, Germany,
Mark Nicolas SCHOEMAN, MD
Gastroenterology, Royal Adelaide Hospital, Adelaide, SA, Australia
David S. SCHRUMP, MD
Assistant Professor of Surgery, MD Anderson Cancer Center, Houston, TX, USA
Richard T. SHAFFER, MD, FACP, FACG
Lieutenant Colonel, Medical Corps, Staff Gastroenterologist, Gastroenterology Service, Brooke Army Medical Center, Houston, TX, USA
Ahmed SHAFIK, MD, PhD
Professor and Chairman, Surgery & Experimental Res. Dept, Faculty of Medicine, Cairo, Egypt
J. Patrick SHOENUT, BSc
Gastroenterology, St Boniface University General Hospital, Winnipeg, MB, Canada
Jörg Rudiger SIEWERT, MD
Professor of Surgery, Director Surgical Clinic Rechts der Isar, Technical University of Munich, Munich, Germany
D. SIFRIM, MD
Department of Pathophysiology, Catholic University Leuven, Leuven, Belgium,
Chandar SINGARAM, MD
Assistant Professor of Medicine, University of Wisconsin Medical School, Madison, WI, USA
Sheldon SLOAN, MD
Gastroenterology, 1725 W. Harrison, Chicago, IL, USA
Elizabeth M. SMITH, MD
Department of Radiology, Eastern Virginia Medical School, Norfolk, VA, USA,
Stephen J. SONTAG, MD, FACG, FACP
Director, Endoscopy Clinics, Department of VA, Ambulatory Care, Edward Hines Jr. Hospital, Hines, IL, USA
Stuart Jon SPECHLER, MD
Chief, Gastroenterology Division, Southwestern Medical Center, Dallas, TX, USA,
Pasquale SPINELLI, MD
Professor of Surgery, Istituto Nazional per lo Studio E, la Cura dei Tumori, Milan, Italy
Hans Georg STACHER, MD
Head of Psychophysiology Unit, University of Vienna, Vienna, Austria,
Hubert J. STEIN, MD
Department of Surgery, Technical University of Munich, Munich, Germany
Wulf B. STORCH, MD
Professor of Clinical Immunology, Weinheim-Hohensachsen, Germany,
William P. STUPPY, MD
Larchmont Medical Building, Los Angeles, CA, USA
Joseph J.Y. SUNG, FRCPE, PhD
Professor of Gastroenterology, Prince of Wales Hospital, The Chinese University of Hong-Kong, Hong-Kong
Masayuki SUZUKI, MD
Gastroenterology, The Second Tokyo National Hospital, Tokyo, Japan
Paul SWAIN, MD
Consultant Gastroenterologist, Gastrointestinal Science Research Unit, The Royal London Hospital, London, UK
Babs G. TAAL, MD, PhD
Internal Medicine, The Netherlands Cancer Institute, Amsterdam, The Netherlands,
J. TACK, MD
Department of Pathophysiology, Catholic University Leuven, Leuven, Belgium
Robert S.J. THOMAS, MD
Professor of Surgery, Royal Melbourne Hospital, Parkville, VI, Australia
J. THORENS, MD
Yverdon, Switzerland,
Hugo W. TILANUS, MD, PhD
Department of General Surgery, Erasmus University Hospital Dijkzigt, Rotterdam, The Netherlands
Nelia A. TOBEY, PhD
Department of Medicine, Tulane University Medical Center, New Orleans, LA, USA
Julio TORRADO, MD
Pathology Unit, Donosti-San Sebastian, Spain
Gervais TOUGAS, MD, CM, FRCPC
Assistant Professor, Director Motility Laboratory, McMaster University Medical Center, Hamilton, ON, Canada
Juan A. TOVAR, MD, PhD
Professor of Pediatrics, Hospital Infantil La Paz, Madrid, Spain
George TRIADAFILOPOULOS, MD
Associate Professor of Medicine, Stanford University School of Medicine, Palo Alto, CA, USA
Alexander TROUKHMANOV, MD
Assistant Professor of Medicine, Sechenov Moscow Medical Academy, Moscow, Russia
Guido N.J. TYTGAT, MD
Professor of Gastroenterology, Academic Medical Center, Amsterdam, The Netherlands
Eric VAN CUTSEM, MD, PhD
Associate Professor of Gastroenterology, Catholic University Leuven, Leuven, Belgium
Jan J.B. VAN LANSCHOT, MD, PhD
Department of Surgery, Academic Medical Center, Amsterdam, The Netherlands
Hans VAN OVERHAGEN, MD
Department of Radiology, University Hospital Rotterdam-Dijkzigt, Rotterdam, The Netherlands,
Yvan VANDENPLAS, MD
Professor of Pediatrics, Children's Hospital, Free University of Brussels, Brussels, Belgium
Jacques VATIER, MD
Gastroenterology, Xavier Bichat University Hospital, Paris, France
F. VEIGA-FERNANDES, MD
Professor of Surgery, Lisbon Faculty of Medicine, Santa Maria Hospital, Lisbon, Portugal,
Pierre VERHAEGHE, MD
Professor of Surgery, Hôpital Nord, Amiens, France
Fernand VICARI, MD
Gastroenterology and Nutrition, Center for Digestive Diseases, Nancy, France
Valerie VILGRAIN, MD
Professor of Radiology, Bichat-Beaujon University Hospital, Clichy-Paris, France

Lene WALLIN, MD
Department of Gastroenterological Surgery, D. Glostrup Hospital, Glostrup, Denmark
Kenneth K. WANG, MD
Professor of Gastroenterology, Mayo Clinic, Rochester, MN, USA
Neena WASHINGTON, MD
Department of Surgery, Queen's Medical Center, Nottingham, UK
A. WATSON, MD, FRCS, FRACS
Chairman, Esophageal Section, British Society of Gastroenterology, London, UK
Thomas R. WEIHRAUCH, MD
Professor of Medicine, Bayer Pharmaceutical Research Ctr, Wuppertal, Germany
Gerold J. WETSCHER, MD
Department of Surgery, University Hospital of Innsbruck, Innsbruck, Austria
Martin WIENBECK, MD
Professor of Medicine, Department of Internal Medicine-Gastroenterology, Zentralklinikum Augsburg, Augsburg, Germany
Gregory J. WIENER, MD
Gastroenterology, Chula Vista, CA, USA,
Gerard WILLEMS, MD
Professor of Surgery, Academic Hospital, Brussels, Belgium
John G. WILLIAMS, MA, MSc, FRCP
School of Postgraduate Studies, Morriston Hospital, Swansea, UK,
Col. Roy K. H. WONG, MD
Chief, Gastroenterology Service, Walter Reed Army Medical Center, Washington, DC, USA
Giovanni ZANINOTTO, MD
Associate Professor of Surgery, University of Padova School of Medicine, Padova, Italy