1. Department of Endocrinology and Diabetes Center (A.M., T.P., A.G., K.M., P.T., A.P., V.T., L.P., G.P.P.), 11527 Athens, Greece
2. Athens General Hospital, “G. Gennimatas” General Hospital, Department of Pathophysiology (G.K.), 11527 Athens, Greece
3. Third Department of Surgery (G.Z.), 11527 Athens, Greece
4. Laikon Hospital, National University of Athens, and First Department of Pediatrics (G.P.C.), Children's Hospital Aghia Sophia, School of Medicine, University of Athens, 11527 Athens, Greece