1. Department of Rehabilitation Medicine, Academic Medical Center; University of Amsterdam; Amsterdam The Netherlands
2. Diabetic Foot Clinic, Department of Surgery; Ziekenhuisgroep Twente; Almelo and Hengelo the Netherlands
3. Department of Plastic Surgery; University of Texas Southwestern Medical Center; Dallas TX USA
4. CIDES/CINTESIS - Health Information and Decision Sciences Department (U753-FCT); Faculty of Medicine of the University of Porto; Oporto Portugal
5. Steno Diabetes Center A/S; Gentofte Denmark
6. Diabetic Foot Unit; Colombian Diabetes Association; Bogotá Colombia
7. Vice Chancellors' Office; Cardiff University; Cardiff Wales UK