Azienda Ospedaliero-Universitaria di Parma, University Hospital, Parma, Italy.

Marco Manfredi: achieved post graduate degree in General Pediatrics and in Gastroenterology, and PhD in Pediatric Gastroenterology. His main fields of interest are Helicobacter pylori infection, Celiac Disease, Probiotics, GI infections, acid-related gastrointestinal diseases. He has published more than 75 papers, included chapters of textbooks and is a scientific reviewer for several reputed medical journals. He is member of Italian Society of Pediatric Gastroenterology and Nutrition (SIGENP). He is now adjunct professor of Pediatrics