Advisory Board Jan Král, MD, PhD, MSc, MBA Motol University Hospital, Prague, Czech Republic Ivo Boskoski MD, PhD, FESGE Catholic University of Rome, Italy Vincent Huberty MD, PhD, PHU Erasme Hospital, Brusel, Belgium Petr Vaněk, MD, PhD, FEBGH University of Minnesota, Division of Gastroenterology, Hepatology and Nutrition, USA Manoel Galvao Neto, MD, MSc, FASGE, IFASBMS Orlando Health Weight Loss and Bariatric Surgery Institute, Orlando, USA prof. Jan Martínek, MD, PhD, AGAF St. Anne´s University Hospital, Brno, Czech Republic Sigh Pichamol Jirapinyo, MD, MPH, DABOM, FASGE, FACG Brigham and Women’s Hospital, Boston, USA Jakub Svet, MD Motol University Hospital, Prague, Czech Republic