1 Diabetes Center, Second Department of Internal Medicine, Medical School, Democritus University of Thrace, Alexandroupolis-Greece. papanasnikos@yahoo.gr.
2 Department of Clinical Biochemistry (Vascular Disease Prevention Clinics), Royal Free Hospital campus, University College London Medical School, University College London (UCL), London-UK.
3 Diabetes Center, Pneumonology, Medical School, Democritus University of Thrace, Alexandroupolis-Greece.