1 Interventional Pulmonology Division, Fondazione Policlinico Universitario A. Gemelli Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy.
2 Catholic University of the Sacred Hearth, Rome, Italy.
3 Thoracic Oncology Division, Comprehensive Cancer Center, Fondazione Policlinico Universitario A. Gemelli Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Roma, Italy.
4 Department of Oncology, University of Turin, Azienda Ospedaliero Universitaria San Luigi, Turin, Italy.
5 Pulmonology Division, Fondazione Policlinico Universitario A. Gemelli Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy.
6 Department of Public Health, University of Naples Federico II, Naples, Italy.