1. Department of Cardiac, Thoracic and Vascular Sciences, University of Padova and Padova City Hospital, Padova, Italy
2. Department of Women’s and Children’s Health, University of Padova, Padova, Italy
3. Research Centre on Asthma and COPD, University of Ferrara, Ferrara, Italy; and
4. Meakins-Christie Laboratories, Respiratory Division, McGill University, Montreal, Québec, Canada