1. Cardiac/Pulmonary Rehabilitation, ASST Pini-CTO, Milan, Italy
2. Department of Paediatrics, Fatebenefratelli Hospital, Milan, Italy
3. Unit of Allergology and Immunology, Niguarda Ca' Granda Hospital, Milan, Italy
4. Allergy Clinic, Casa di Cura Villa Montallegro, Genoa, Italy