作者单位:Clinical Pediatrics, University of Chieti, Italy[1]Department of Pediatrics, University of Siena, Italy[2]Child Neurology-Immunology and Endocrinology Unit, Department of Pediatrics, University of Siena[3]NESMOS Department, Faculty of Medicine and Psychology, Sapienza University, Rome, Italy[4]Department of Pediatrics, Child Neurology Division, Sapienza University of Rome, Italy[5]