1 Department of Medical and Surgical Specialties, Radiological Sciences and Public Health, University of Brescia, Brescia, Italy - svaneracamilla@libero.it.
2 A. Manzoni Circle Hospital, Lecco, Italy.
3 Unit of Innovation and Development, Welfare Department, Lombardy Region, Milan, Italy.
4 School of Medicine and Surgery, University of Milano Bicocca, Monza, Italy.