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