1. Unit of Paediatrics, Rovigo Hospital, 45030 Rovigo, Italy
2. Department of Neurorehabilitation Sciences, Casa di Cura Igea, 20144 Milan, Italy
3. Department of Neurorehabilitation Sciences, IRCCS Istituto Auxologico Italiano, Ospedale San Luca, 20122 Milan, Italy
4. Department of Biomedical Sciences for Health, Università degli Studi di Milano, 20133 Milan, Italy
5. Department of Health Sciences, Clinical Psychology, University of Milan, Via di Rudinì 8, 20142 Milan, Italy
6. Unit of Clinical Psychology, San Paolo Hospital, ASST Santi Paolo e Carlo, Via di Rudinì 8, 20142 Milan, Italy
7. Service of Digestive Diseases, University Clinic Hospital Lozano Blesa, IIS Aragón, 50009 Zaragoza, Spain
8. Department of Health Sciences, University of Milan, 20146 Milan, Italy
9. Clinical Neurology Unit, Department of Health Sciences, “Azienda Socio-Sanitaria Territoriale Santi Paolo e Carlo”, University of Milan, 20146 Milan, Italy
10. Department of Health Sciences, Otorhinolaryngology Department, ASST Santi Paolo e Carlo, University of Milan, 20142 Milan, Italy
11. Paediatric Cardiology Unit, Niguarda Hospital, 20162 Milan, Italy
12. Paediatric Allergy and Pulmonology Unit, Department of Paediatrics, University of Chieti-Pescara, 66100 Chieti, Italy
13. School of Medicine, University of Enna “Kore”, 94100 Enna, Italy