Amino Acid Metabolism, Inborn Errors

• The Children's Hospital — Aurora, Colorado, United States
• University of Florida — Gainesville, Florida, United States
• Weisskopf Child Evaluation Center / University of Louisville — Louisville, Kentucky, United States
• University of Missouri — Columbia, Missouri, United States

• Keneba Field Station — Banjul, The Gambia

• Wilmer Eye Institute — Baltimore, Maryland, United States

• Boston Children's Hospital — Boston, Massachusetts, United States

• Children's Hospital of Boston — Boston, Massachusetts, United States
• University of Wisconsin-Madison — Madison, Wisconsin, United States

• Michael W Ameen — Asyut, Egypt

Not specified

• Hospital Universitario regional do Note do Parana — Londrina, Paraná, Brazil
• University Hospital, State University of Londrina — Londrina, Paraná, Brazil

• Childrens Hospital Colorado — Aurora, Colorado, United States
• University of Colorado — Aurora, Colorado, United States
• Duke University — Durham, North Carolina, United States
• Childrens Hospital of Philadelphia — Philadelphia, Pennsylvania, United States

• Washington University — St Louis, Missouri, United States