Giovanni Di Nardo, MD, PhD, Assistant Professor of Pediatrics and Head of Pediatric Gastroenterology Unit, Faculty of Medicine and Psychology, Sapienza University of Rome, Sant'Andrea University Hospital. Main Research Topics: Diagnostic and therapeutic endoscopy in children, role of inflammation and neuroimmune interactions in the pathogenesis of functional gastrointestinal disorders, gastrointestinal motility disorders, neuromuscular disorders of the gastrointestinal tract, immunopathogenesis of inflammatory bowel disease, pathogenetic mechanisms of food allergy, diagnosis and treatment of eosinophilic esophagitis.