Congenital Abnormalities

• Haukeland Universitetssykehus — Bergen, Norway
• Bodø Sykehus — Bodø, Norway
• Vestre Viken Sykehus — Drammen, Norway
• Kristiansund Sykehus — Kristiansund, Norway

• Jack Jacob — Anchorage, Alaska, United States
• Banner Good Samaritan Hospital — Phoenix, Arizona, United States
• St. Joseph's Hospital & Medical Center — Phoenix, Arizona, United States
• Lawrence and Memorial Hospital — Waterford, Connecticut, United States

• Mayo Clinic — Rochester, Minnesota, United States
• Oklahoma University Children's Hospital — Oklahoma City, Oklahoma, United States
• Children's Hospital of Philadelphia — Philadelphia, Pennsylvania, United States

• Allgemeines Krankenhaus der Stadt Wien (AKH Wien) — Vienna, Austria
• Universitätsklinikum Hamburg-Eppendorf — Hamburg, Germany
• Kantonsspital Aarau AG — Aarau, Canton of Aargau, Switzerland
• Universitätsspital Basel — Basel, Canton of Basel-City, Switzerland

• Leiden University Medical Center — Leiden, Netherlands

• Children's Hospital of Los Angeles — Los Angeles, California, United States

Not specified

• New York University School of Medicine — New York, United States

• Peking Union Medical College Hospital — Beijing, Beijing Municipality, China

• Dana Farber Cancer Institute — Boston, Massachusetts, United States
• Memorial Sloan Kettering Cancer Center — New York, United States