Nature Reviews Gastroenterology and Hepatology is a peer-reviewed journal for gastroenterologists, hepatologists and affiliated health-care professionals. The journal delivers timely interpretations of key developments in gastroenterology, hepatology and related areas of study. Nature Reviews Gastroenterology and Hepatology is published monthly in print and online and includes commissioned news, commentary and opinion pieces and comprehensive reviews. Articles are subject to rigorous peer-review and/or review by in-house editors. Topics covered include the pathology, diagnosis and treatment of diseases of the gastrointestinal tract, liver, pancreas, gall bladder and biliary tract, such as functional gastrointestinal disorders, inflammatory diseases, cancer, infection and nutritional disorders.