Affiliation: | 1. Department of Gastroenterology, Endoscopy Unit, High Risk GI Cancer Clinic, Research Institute, 12 de Octubre (i+12), “12 de Octubre” University Hospital, Complutense University of Madrid, Madrid, Spain;2. Department of Gastroenterology, Hospital de la Santa Creu i Sant Pau, Institut de Reçerca – IIB Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain;3. Department of Gastroenterology, Endoscopy Unit, “Puerta de Hierro-Majadahonda” University Hospital, Autonomous University of Madrid (UAM), Majadahonda (Madrid), Spain;4. Department of Gastroenterology, Endoscopy Unit, Hospital Universitario de Ciudad Real, Ciudad Real, Spain;5. Department of Endoscopy, Kobe University Hospital, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Japan |