1. Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics and Maternal-Infantile Sciences (DINOGMI), University of Genoa, Genoa, Italy
2. Department of Health Sciences, University of Genoa, Genoa, Italy
3. State Police Health Service Department, Ministry of the Interior, Rome, Italy
4. Pneumology Unit, San Jacopo Hospital, Pistoia, Italy
5. Department of Public Health, Università Cattolica del Sacro Cuore, Rome, Italy