1. Gastrointestinal and Interventional Endoscopy Unit, Surgical Department, AUSL Bologna, Bologna, Italy
2. Interventional Pulmonology Unit, Cardiothoracic Department, Policlinico Sant’Orsola-Malpighi, Bologna, Italy
3. Interventional Pulmonology Unit, Dipartimento di Scienze Mediche e Chirurgiche, Università Cattolica del Sacro Cuore di Roma, Rome, Italy