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