Barrett's Esophagus

• Mayo Clinic — Rochester, Minnesota, United States

• Robert Wood Johnson Medical School — New Brunswick, New Jersey, United States

• University Hospitals Cleveland Medical Center, Seidman Cancer Center, Case Comprehensive Cancer Center — Cleveland, Ohio, United States

• Denver Health Medical Center — Aurora, Colorado, United States
• University of Colorado Hospital — Aurora, Colorado, United States
• Hospital of the University of Pennsylvania — Philadelphia, Pennsylvania, United States
• Pennsylvania Hospital — Philadelphia, Pennsylvania, United States

• Johns Hopkins Hospital — Baltimore, Maryland, United States

• Queen Alexandra Hospital, Portsmouth Hospitals University NHS trust — Portsmouth, Hampshire, United Kingdom

Not specified

• Dallas VA Medical Center — Dallas, Texas, United States

• Massachussetts General Hospital — Boston, Massachusetts, United States

• Mayo Clinic — Rochester, Minnesota, United States