Affiliation: | 1Department of Internal Medicine, University of Rome Tor Vergata, Rome, Italy; ;2Department of Surgery, University of Rome Tor Vergata, Rome, Italy; ;3Department of Biopathology and Diagnostic Imaging, University of Rome Tor Vergata, Rome, Italy; ;4Department of Internal Medicine, University of Pisa, Pisa, Italy; ;5Division of Diabetes, Department of Medicine, University of Texas Health Science Center, San Antonio, Texas. |