1. Division of Endocrinology, Department of Internal Medicine, University Hospital Maastricht, Maastricht, the Netherlands; Department of Internal Medicine, University Hospital Maastricht, P. Debeyelaan 25, PO Box 5800, 6202 AZ Maastricht, the Netherlands;
2. Division of Endocrinology, Department of Internal Medicine, University Hospital Maastricht, Maastricht, the Netherlands
3. Department of Endocrinology, University of Malmö, Malmö, Sweden
4. Diabetes Centre, Tameside General Hospital, Ashton under Lyne, United Kingdom
5. U.O. Semplice Piede Diabetico, Dipartimento di Endocrinologia e Metabolismo, Azienda Ospedaliera Universitaria Pisana, Pisa, Italy
6. Chair IDF Consultative Section and International Working Group on the Diabetic Foot, Heemstede, the Netherlands
7. Diabetic Department, Kings College Hospital, London, United Kingdom
8. Copenhagen Wound Healing Centre, Bispebjerg Hospital, Copenhagen, Denmark
9. Diabetes Centre, Institute for Clinical and Experimental Medicine, Prague, Czech Republic
10. Department of Endocrinology & Nutrition, Hospital de Sant Pau, Autonomous University of Barcelona, Spain
11. Swedish Institute for Health Economics, Lund, Sweden
12. Innere Abteilung, Mariannen Hospital, Werl, Germany
13. Mathias-Spital, Diabetic Department, Rheine, Germany
14. Policlinico Tor Vergata, Department of Internal Medicine, Rome, Italy
15. Department of Endocrinology, University Medical Centre, Ljubljana, Slovenia
16. St Joseph Clinic, Department of Endocrinology, Bornen, Belgium
17. Department of Surgery, Twenteborg Ziekenhuis, Almelo, the Netherlands
18. Department of Health Organization, Policy and Economics, University of Maastricht, Maastricht, the Netherlands