1. Allergy and Clinical Immunology, University of Medicine, Brescia, Italy
2. U.O.C Lungodegenza ULS 17, Padua, Italy
3. RSA, Anni Azzurri, Rezzato, Brescia, Italy
4. Department of Medicine and Science of Ageing, G. d'Annunzio University, Chieti, Italy
5. Immunotoxicology and Allergology Unit, Ce.S.I., “Università G. d'Annunzio” Foundation, Chieti, Italy