Institution: | 1. Department of Gastroenterology, Hospital San Pedro de Alcantara, Caceres, Spain;2. Department of Medicine, Michael E. DeBakey VA Medical Center and Baylor College of Medicine, Houston, TX, USA;3. Department of Gastroenterology, Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria Princesa (IIS‐IP) and CIBEREHD, Madrid, Spain |