1. National Health System Pediatrician ASL RMC-D6, Rome, Italy
2. Italian Society of Pediatric Allergy and Immunology (SIAIP), Atopic Dermatitis and Urticaria Committee, Italy
3. Pediatric Unit, Department of Clinical-Surgical, Diagnostic and Pediatric Sciences, University of Pavia, Pavia, Italy
4. Department of Reproduction and Pediatrics, University Hospital S. Anna, Ferrara, Italy
5. Pediatric Unit, Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
6. University of Trieste, Trieste, Italy
7. Department of Woman, Child and General and Specialized Surgery, Second University of Naples, Naples, Italy
8. Pediatric Allergy Unit, Research Center, San Pietro Hospital-Fatebenefratelli, Rome, Italy