K Pafili1, N Papanas2, E Maltezos1. 1. Second Department of Internal Medicine, Diabetes Clinic, Democritus University of Thrace, University Hospital of Alexandroupolis, Alexandroupolis, Greece. 2. Second Department of Internal Medicine, Diabetes Clinic, Democritus University of Thrace, University Hospital of Alexandroupolis, Alexandroupolis, Greece papanasnikos@yahoo.gr.