Urea Cycle Disorders, Inborn

• Children's National Medical Center — Washington D.C., District of Columbia, United States
• Children's Hospital Boston (UCDC New England Center) — Boston, Massachusetts, United States
• Icahn School of Medicine at Mount Sinai — New York, United States

• Nucleus Network Pty Ltd — Melbourne, Victoria, Australia

Not specified

• The Children's Hospital Colorado — Aurora, Colorado, United States
• Boston Children's Hospital — Boston, Massachusetts, United States
• Icahn School of Medicine — New York, United States
• University Hospital Cleveland Medical Center/Case Western Reserve University — Cleveland, Ohio, United States

• Children's Hospital Colorado — Aurora, Colorado, United States
• Children's National Medical Center — Washington D.C., District of Columbia, United States
• The Children's Hospital of Philadelphia — Philadelphia, Pennsylvania, United States
• Baylor College of Medicine — Houston, Texas, United States

• Nucleus Network Brisbane (also known as Q-Pharm Pty Ltd) — Herston, Queensland, Australia
• Erasmus MC — Rotterdam, Netherlands

• University Hospital Aarhus — Aarhus N, Denmark

• UCLA Pediatrics/Genetics — Los Angeles, California, United States
• Stanford University School of Medicine — Palo Alto, California, United States
• Denver Children's Hospital — Aurora, Colorado, United States
• Children's National Medical Center — Washington D.C., District of Columbia, United States

• UCLA — Los Angeles, California, United States
• The George Washington DC Children's National Medical Center — Washington D.C., District of Columbia, United States
• Mount Sinai School of Medicine — New York, United States
• University of Pittsburgh — Pittsburgh, Pennsylvania, United States

• UCLA Pediatrics/Genetics — Los Angeles, California, United States
• Children's National Medical Center — Washington D.C., District of Columbia, United States
• Maine Medical Center — Portland, Maine, United States
• University of Minnesota — Minneapolis, Minnesota, United States