1. Department of Experimental and Clinical Medicine, University of Florence, Largo Brambilla, 3, 50121 Firenze, Italy
2. Allergology and Clinical Immunology Unit, Azienda Usl Toscana Sud Est, San Donato Hospital, 52100 Arezzo, Italy
3. Immunoallergology Unit, Careggi University Hospital, 50134 Firenze, Italy
4. Research and Development, Autoimmunity, Werfen, Autoimmunity Headquarters and Technology Center, San Diego, CA 92131-1638, USA
5. Immunology and Cell Therapy Unit, Careggi University Hospital, 50134 Firenze, Italy