The University of Newcastle

Nanyang Technological University, Singapore

Professor für Medizin, Mainz University

Distinguished Prof of Medicine (Gastroenterology), Rutgers Robert Wood Johnson School of …

Professor of Medicine, Pharmacology and Physiology, Mayo Clinic

Professor of Medicine, Case Western Reserve University

Professor of Gastroenterology, Catholic University, Gemelli Hospital, Rome, Italy

Professor of Medicine, Dean, Faculty of Medicine, The Chinese University of Hong Kong

Farncombe Family Digestive Health Research Institute, McMaster University

Professor of Medicine, Charité University Medicine Berlin