1 Department of Pneumology and Respiratory Physiopathology, S. Spirito Hospital, 66020 Pescara, Italy. Electronic address: pierpaolo.prosperi@asl.pe.it.
2 Department of Psychological, Health and Territorial Sciences, University "G. d'Annunzio" Chieti - Pescara, 66100 Chieti, Italy. Electronic address: vittore.verratti@unich.it.
3 Department of Neuroscience, Imaging and Clinical Sciences, University "G. d'Annunzio" Chieti - Pescara, 66100 Chieti, Italy. Electronic address: danilo.bondi@unich.it.
4 Department of Pneumology and Respiratory Physiopathology, S. Spirito Hospital, 66020 Pescara, Italy. Electronic address: spaconeantonella@gmail.com.