Correspondence: Address correspondence to: Desmond Leddin, MB, Victoria General Hospital, 912 Victoria, Halifax, Nova Scotia, Canada B3H2Y9.; Division of Digestive Care and Endoscopy, Department of Medicine, Dalhousie University, Halifax, Canada
Vinod K. Rustgi
Division of Gastroenterology and Hepatology, Rutgers Robert Wood Johnson Medical School, New Brunswick, New Jersey
Shanthi Srinivasan
Division of Digestive Diseases, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia