Metabolism, Inborn Errors

• Primary Hyperoxaluria and Dent Disease Registry - Mayo Clinic — Rochester, Minnesota, United States
• New York University School of Medicine - Cystinuria Registry — New York, United States
• APRT Registry - Landspitali Universtiy Hospital — Reykjavik, Iceland

• Rigshospitalet, University of Copenhagen — Copenhagen, Denmark
• Friedrich-Baur Institut — München, Bavaria, Germany
• Radboud University Medical Center — Nijmegen, Netherlands
• Institute for Ageing and Health Newcastle University — Newcastle upon Tyne, United Kingdom

• Gainesville, Florida, United States
• Decatur, Georgia, United States
• Detroit, Michigan, United States

• Northern California Retina Vitreous Associates — Mountain View, California, United States
• Southern California Desert Retina Consultants — Palm Desert, California, United States
• Elman Retina — Baltimore, Maryland, United States
• Black Hills Regional Eye Institute — Rapid City, South Dakota, United States

• Nationwide Children's Hospital — Columbus, Ohio, United States
• Universitaetsklinikum Hamburg-Eppendorf — Hamburg, Germany
• Children's Hospital Bambino Gesù,IRCCS — Rome, Piazza, Italy
• Great Ormond Street Childrens Hospital — London, United Kingdom

• Friedrich-Baur-Institute — München, Bavaria, Germany

• Zentrum für Kinder- und Jugendmedizin — Heidelberg, Germany
• LMU — München, Germany
• Department of Pediatrics, San Paolo Hospital Milano — Milan, Italy
• Department of Pediatrics, IFIMAV-Hospital M. Valdecill — Santander, Spain

Not specified

• Stanford Hospital and Clinics — Stanford, California, United States

• Wake Forest University Health Sciences — Winston-Salem, North Carolina, United States