1. Division of Endocrinology; MUMC+, CARIM and CAPHRI Institute; Maastricht; The Netherlands
2. Amputation Prevention Center, Valley Presbyterian Hospital; Los Angeles; CA; USA
3. Department of Endocrinology; University Hospital of Malmö; Sweden
4. IWDGF Heemstede; The Netherlands
5. Department of Radiology; Medical University Vienna; Vienna; Austria
6. Department of Vascular Surgery; Helsinki University Central Hospital; Helsinki; Finland
7. Southern Arizona Limb Salvage Alliance (SALSA); University of Arizona Health Sciences Center; Tucson; AZ; USA
8. Department of Vascular Radiology; Amsterdam Medical Centre; The Netherlands
9. Department of Vascular Surgery; Southampton University Hospitals NHS Trust; Hampshire; UK
10. Department of Surgery; University of Washington; Seattle; WA; USA
11. St George's Vascular Institute, St George's Healthcare NHS Trust; London; UK