1. Department of Internal Medicine (G.M.), Section of Internal Medicine, Endocrine and Metabolic Sciences, Perugia University, I-06122, Perugia, Italy
2. The Lundberg Laboratory for Diabetes Research (G.M., A.H., M.Sa., U.S., P.-A.J.), Department of Molecular and Clinical Medicine, The Sahlgrenska Academy at Göteborg University, S-413 45 Göteborg, Sweden
3. Department of Anesthesiology and Intensive Care Medicine Mannheim (M.Sc.), University of Heidelberg, 368 D-69120 Heidelberg, Germany
4. Departments of German Diabetes Clinic (C.H.), German Diabetes Center, Leibniz Center at Heinrich Heine University Düsseldorf, 40225 Düsseldorf, Germany