Institution: | 1. Dept. of Cardiology, Fondazione IRCCS Policlinico S.Matteo, Pavia, Italy;2. Dept. of Cardiology, Second University of Naples – Monaldi Hospital, Naples, Italy;3. Pulmonary Hypertension Unit, Dept. of Cardiovascular and Respiratory Science, Sapienza University of Rome, Rome, Italy;4. Pulmonology Unit, Dept. for the Treatment and Study of Cardiothoracic Diseases and Cardiothoracic Transplantation, IRCCS – ISMETT, Palermo, Italy;5. Ferrarotto Hospital, Catania, Italy |