Am J Gastroenterol 2018 07 15;113(7):972-979. Epub 2018 Mar 15.
Department of Gastroenterology, Hospital Universitario San Pedro de Alcantara, Caceres, Spain. Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Madrid, Spain. Department of Pediatrics, Pediatric Gastroenterology Unit, Hospital Universitario Puerta de Hierro-Majadahonda, Madrid, Spain. Department of Surgery, Division of Gastroenterology, Oncology and Gastroenterology, University of Padua, Padua, Italy. Gastroenterology and Endoscopy Unit, Università degli Studi di Milano, Milan, Italy. Department of Gastroenterology, Consorci Sanitari Terrassa, Barcelona, Spain. Department of Allergy, Hospital Universitario Gregorio Marañon, Madrid, Spain. Department of Gastroenterology, Hospital Universitario Miguel Servet, Zaragoza, Spain. Department of Gastroenterology, Hospital de Viladecans, Barcelona, Spain. Department of Gastroenterology, Hospital de la Santa Creu I Sant Pau, Barcelona, Spain. Department of Gastroenterology, Hospital Clinico Universitario, Valladolid, Spain. Clinical Analysis and Pediatrics, Hospital Universitario Río Hortega, Valladolid, Spain. Department of Pediatrics, Hospital Universitario San Pedro de Alcantara, Caceres, Spain. Department of Gastroenterology, Hospital Quirón, Marbella, Spain. Departement of Gastroenterology, Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria Princesa (IIS-IP), and CIBEREHD, Madrid, Spain. Department of Gastroenterology, Hospital General de Tomelloso, Tomelloso, and CIBEREHD, Ciudad Real, Spain.