Affiliation: | 1. CNR Institute of Clinical Physiology, Pisa, Italy;2. Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy;3. National Research Institute, Los Angeles, California;4. Department of Diabetes, Nutrition and Metabolic Diseases, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania;5. AstraZeneca, Gaithersburg, Maryland;6. Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pennsylvania;7. Diabetes Division, University of Texas Health Science Center, San Antonio, Texas |