1. Department of Rehabilitation Medicine, Academic Medical Center; University of Amsterdam; Amsterdam The Netherlands
2. Southern Arizona Limb Salvage Alliance (SALSA), Department of Surgery; University of Arizona College of Medicine; Tucson AZ USA
3. School of Healthcare Sciences, College of Biomedical and Life Sciences; Cardiff University; Cardiff UK
4. Cardiff and Vale University Health Board and Cardiff School of Health Science, Cardiff Metropolitan University; Cardiff UK
5. Vita-Salute San Raffaele University; Milan Italy
6. Diabetic Foot Clinic; Istituto Clinico Città Studi; Milan Italy
7. Department of Orthopaedics and Sports Medicine; University of Washington Medical Center; Seattle WA USA