1. Department of Health Sciences, University of Milano, Milan, Italy, International Centre for Rural Health, Occupational Health Unit, Hospitals Santi Paolo e Carlo, Milan, Italy
2. Department of Biomedical, Dental and Morphological and Functional Imaging, University of Messina, Messina, Italy
3. University of Milan, Milan, Italy
4. Diagnostic and Interventional Radiology, Hospitals Santi Paolo e Carlo, Milan, Italy
5. “Aldo Ravelli” Research Center, Department of Health Sciences, University of Milan, Milan, Italy