1. Allergy and Respiratory Diseases, IRCCS Policlinico San Martino, University of Genoa, Genoa, Italy
2. Mauriziano Hospital, Department of Medical Science, University of Turin, Turin, Italy
3. Allergy Unit, Fondazione Policlinico A. Gemelli, IRCSS, Rome, Italy
4. Personalized Medicine, Asthma and Allergy - Humanitas Clinical and Research Center, IRCCS, Rozzano, Italy
5. Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Italy
6. Allergy and Pneumology Unit, A.O. S.Croce E Carle, Cuneo, Italy