Internal Medicine, Allegheny Health Network, Pittsburgh, US. Internal Medicine, Hurley Medical Center, Two Hurley Plaza, Michigan State University, Flint, MI, US. Foundation Fellowship Doctor, University Hospital, Southampton NHS Foundation Trust, Southampton, Hampshire, UK. Gastroenterology & Hepatology, University of Utah Health School of Medicine, Salt Lake City, UT, US. Internal medicine, Mayo College of Medicine, Rochester, Minnesota, US. Endoscopy Unit, Sorbonne University, AP-HP, Saint-Antoine Hospital, 75012 Paris, France. Gastroenterology department, UPEC University, AP-HP, Henri Mondor Hospital, 94010 Creteil, France. Division of Gastroenterology and Hepatology, Allegheny Health Network, Pittsburgh, US. Center for Advanced Therapeutic Endoscopy, Centura Health, Denver, CO, US. Electronic address: firstname.lastname@example.org.