1. Allergy and Respiratory Diseases Clinic - DIMI, University of Genoa, IRCCS AOU San Martino - IST, Genova, Italy
2. University of Genoa, Biostatistic Unit, Department of Health Science, Genoa, Italy
3. Psychology Unit, Comitato Scientifico Toscano Associazione Italiana Celiaci (AIC)
4. Allergy Unit, Guglielmo da Saliceto Hospital, Piacenza, Italy
5. Allergy and Immunology Clinic, Referring Center for diagnosis and follow-up of Celiac Disease, Ospedale San Giovanni di Dio, Florence, Italy