Brain Diseases, Metabolic, Inborn

• University of Florida College of Medicine — Gainesville, Florida, United States
• Duke University Medical Center — Durham, North Carolina, United States
• Children's Hospital Medical Center — Cincinnati, Ohio, United States
• Pediatrique Hopital de Brousse — Lyon, France

• Children's Hospital of Oakland — Oakland, California, United States
• Children's Hospital of Orange Country — Orange, California, United States
• University of Nebraska Medical Center — Omaha, Nebraska, United States
• Institute for Genetic Medicine, Saint Peter's University Hospital — New Brunswick, New Jersey, United States

• University of Florida College of Medicine — Gainesville, Florida, United States
• Duke University Medical Center — Durham, North Carolina, United States
• Children's Hospital Medical Center — Cincinnati, Ohio, United States
• University of Utah Medical Center — Salt Lake City, Utah, United States

• Saint Peter's University Hospital — New Brunswick, New Jersey, United States

• Hopital Raymond Poincare — Garches, France

Not specified

• University of Alabama at Birmingham — Birmingham, Alabama, United States
• Cedars-Sinai Medical Center — Los Angeles, California, United States
• University of San Francisco — San Francisco, California, United States
• University of Connecticut Health Partners — Farmington, Connecticut, United States

Not specified

• GSK Investigational Site — Austin, Texas, United States

• GSK Investigational Site — Randwick, New South Wales, Australia