Irwin Arias, MD, National Institutes of Health, Bethesda, Maryland.  Professor of Physiology, Emeritus, Tufts University School of Medicine, Boston, Mass.  Visiting Professor of Medicine, Albert Einstein College of Medicine, Bronx, NY.

Associate editors:

James L. Boyer, Yale University School of Medicine, New Haven, CT, USA

David Shafritz, Albert Einstein College of Medicine, Bronx, NY, USA

Nelson Fausto, Professor and Chair, Department of Pathology, University of Washington, Seattle, WA, USA.

Harvey Alter, Department of Transfusion Medicine, National Institutes of Health, Bethesda, Maryland, USA

David E. Cohen,.Division of Gastroenterology, Brigham and Women's Hospital, Boston, Massachusetts, USA

Allan Wolkoff, Albert Einstein College of Medicine, Bronx, NY, USA