1 Clinical Epidemiology and Medical Statistics Unit, Dept of Biomedical Sciences, University of Sassari, Research, Medical Education and Professional Development Unit, Sassari, Italy giovannibattista.migliori@fsm.it.
2 Univ Paris-Sud, Faculté de Médecine, Université Paris-Saclay, Le Kremlin-Bicêtre, France AP-HP, Service de Pneumologie, Hôpital Bicêtre, Le Kremlin-Bicêtre, France INSERM UMR_S 999, Centre Chirurgical Marie Lannelongue, Le Plessis Robinson, France.
3 Service de Physiologie, Paris Descartes University EA 2511, Hôpital Cochin, Assistance Publique Hôpitaux de Paris, Paris, France.
4 World Health Organization Collaborating Centre for Tuberculosis and Lung Diseases, Fondazione S. Maugeri, Care and Research Institute, Tradate, Italy.