Kulwinder Dua, MD, DMSc, FRCP, FACP, FRCP, MASGEProfessor, Department of Medicine and PediatricsProfessor, Graduate School of Biomedical SciencesSection Chief, Gastroenterology and Hepatology, VAMCDirector, Advanced Endoscopy Training programDirector, Pancreaticobiliary Center, DDCMedical College of Wisconsin, Milwaukee, USAAdjunct International Professor, Gleneagles Apollo Hospital, Kolkata