1. Departments of Internal Medicine and Public Health (G.D., M.C.M., V.C., G.C., G.P., S.N., C.F.), 67100 L’Aquila, Italy;
2. Experimental Medicine (M.D.S., T.R., M.L.I.), University of l’Aquila, 67100 L’Aquila, Italy;
3. Department of Pediatrics (L.I.), University of Modena and Reggio Emilia, 41100 Modena, Italy