1. Faculty of Pharmacy, Department of Pharmaceutical Technology, Panepistimiopolis ZografouNational and Kapodistrian University of Athens Athens Greece
2. National and Kapodistrian University of Athens, 1st Department of Propaedeutic Internal MedicineMedical School, Laiko General Hospital Athens Greece
3. Diabetic Foot DepartmentGeneral Hospital of Thessaloniki Papageorgiou Thessaloniki Greece
4. Demetrios Voyatzoglou Diabetic Foot ClinicA. Fleming Hospital Athens Greece
5. Department of Pharmacy, Section of Pharmacognosy and Chemistry of Natural Products, Panepistimiopolis ZografouNational and Kapodistrian University of Athens Athens Greece
6. National and Kapodistrian University of Athens, Department of MicrobiologyMedical School, University of Athens Athens Greece
7. Laboratory of BacteriologyHellenic Pasteur Institute Athens Greece