Amino Acid Metabolism, Inborn Errors

• National University of Pharmacy — Kharkiv, Ukraine
• Department of General Surgery #2; Kharkiv State Medical University — Kharkiv, Ukraine

• Children's Hospital of Philadelphia — Philadelphia, Pennsylvania, United States

• Logan Hall — Albuquerque, New Mexico, United States

Not specified

• Birmingham Children´s Hospital — Birmingham, Wales, United Kingdom

• University Children's Hospital — Zurich, Switzerland

• Kreiskliniken Reutlingen — Reutlingen, Baden-Wurttemberg, Germany

• Oregon Health and Science University — Portland, Oregon, United States

• Royal Victoria Hospital — Belfast, United Kingdom
• Birmingham Children's Hospital — Birmingham, United Kingdom
• Northern General Hospital — Sheffield, United Kingdom

• NHS Greater Glasgow and Clyde — Glasgow, Lanarkshire, United Kingdom
• Birmingham Women's and Children's NHS Foundation Trust — Burringham, West Midlands, United Kingdom
• Bradford Teaching Hospitals NHS Foundation Trust — Bradford, West Yorkshire, United Kingdom