1. Service d'endocrinologie, diabétologie et maladies métaboliques, CHU Dijon, France
2. Unité INSERM, LNC-UMR 1231, Université de Bourgogne, Dijon, France
3. King's College Hospital, Denmark Hill, London, UK
4. University of Pisa, Ospedale di Cisanello, via Paradisa 2, 56126 Pisa, Italy
5. Hospital Clinico San Carlos De Madrid, Calle Profesor Martin Lagos, 28040 Madrid, Spain
6. Franziskus Krankenhaus Berlin, Budapester Strasse, 15-19, 10787 Berlin, Germany
7. University of Roma Tor Vergata, Viale Oxford 81, 00133 Roma, Italy
8. Donostia Hospital Universitario San Sebastian, Calle Prim N° 14 - 20006 San Sebastian, Spain
9. CHU Lyon Sud, Pavillon Médical, 165 chemin du Grand Revoyet 69495 Pierre Bénite, France
10. Centre de santé de Fagnes, Department of diabetology. Chimay, Belgium
11. Diabetic Foot Unit. Universidad Complutense de Madrid, Madrid, Spain