Ulcer

• Derbyshire Royal Infirmary — Derbyshire, United Kingdom
• Nottingham City Hospital — Nottingham, United Kingdom
• Queens Medical Centre — Nottingham, United Kingdom

• Julia Welch — Research Triangle Park, North Carolina, United States

• Tucson, Arizona, United States
• La Jolla, California, United States
• Los Angeles, California, United States
• San Diego, California, United States

• Foot and Ankle Medical Center — Phoenix, Arizona, United States
• University of California, San Diego — San Diego, California, United States

Not specified

• Kevin R. Higgins, DPM — San Antonio, Texas, United States

• Clinical Research Associates — Huntsville, Alabama, United States
• West Gastroenterology Medical Group — Los Angeles, California, United States
• Mark Lamet — Hollywood, Florida, United States
• Borland-Groover Clinic — Jacksonville, Florida, United States

• Steven R Beito, DPM — New Braunfels, Texas, United States
• Robert Wunderlich, DPM — San Antonio, Texas, United States
• 8800 Village Drive, Suite 202 — San Antonio, Texas, United States