1. Departments of Endocrinology, Diabetes and Metabolism (S.T., V.V., N.T.), 10676 Athens, Greece
2. Department of Evangelismos Hospital; 2nd Department of Internal Medicine, Research Institute and Diabetes Center, Athens University and Hellenic National Diabetes Center (C.T., P.T., S.A.R.), 10676 Athens, Greece
3. Department of Radiology (J.K.), 10676 Athens, Greece