1. Pharmacist, Private Practice, Athens, Greece
2. Diabetes Centre-Diabetic Foot Clinic, Second Department of Internal Medicine, Democritus University of Thrace, Alexandroupolis, Greece
3. Internal Medicine Department, Primary Healthcare, Amarousion, Attica, Greece
4. Academic Department of Gastroenterology, Laiko General Hospital, Medical School of National and Kapodistrian University of Athens, Athens, Greece