1. Department of Translational Medical Sciences, University of Campania “L. Vanvitelli”, Napoli, Italy
2. U.O.C. Clinica Pneumologica “L. Vanvitelli”, A.O. dei Colli, Ospedale Monaldi, Napoli, Italy
3. Department of Internal Medicine and Medical Therapeutics, University of Pavia Medical School, Pavia, Italy
4. Department of Medical Sciences and Infective Diseases, Unit of Respiratory Diseases, IRCCS Policlinico San Matteo Foundation and University of Pavia Medical School, Pavia, Italy
5. Department of Clinical-Surgical, Diagnostic and Paediatric Sciences, University of Pavia Medical School, Pavia, Italy
6. Department of Intensive Medicine, Unit of Radiology, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy