1 Respiratory Pathophysiology Division, Department of Cardio-Thoracic and Vascular Sciences, University of Padova, Via Giustiniani 2, 35128 Padova, Italy.
2 Respiratory Pathophysiology Division, Department of Cardio-Thoracic and Vascular Sciences, University of Padova, Via Giustiniani 2, 35128 Padova, Italy. Electronic address: andrea.vianello@aopd.veneto.it.