1. From the Department of Experimental and Clinical Medicine (DMCS-Internal Medicine 4) (L.L., T.M.S., E.A., L.G., A.C.P., G.P.R.), Section of Anatomy, Department of Human Anatomy and Physiology (A.S.B., G.G.N.), and Department of Medical and Surgical Sciences (Surgical Pathology) (P.B.), School of Medicine, University of Padua, Padua, Italy.