Nikolaos Papanas1, Paschalis Steiropoulos2. 1. Outpatient Clinic of the Diabetic Foot, Second Department of Internal Medicine, Medical School, Democritus University of Thrace, Alexandroupolis, Greece papanasnikos@yahoo.gr. 2. Department of Pneumonology, Medical School, Democritus University of Thrace, Alexandroupolis, Greece.