Nobili et al reported the Pediatric Non-Alcoholic Fatty Liver Disease (NAFLD) Fibrosis Index. This can help to identify children with non-alcoholic fatty liver disease (NAFLD) who have developed hepatic fibrosis. The authors are from Pediatric Hospital IRCCS “Bambino Gesu” in Rome, La Sapienza University in Rome and the Liver Research Center in Trieste.