1. Division of Metabolism and Children's Research CenterUniversity Children's Hospital Zürich Zürich Switzerland
2. radiz—Rare Disease Initiative Zürich, Clinical Research Priority ProgramUniversity of Zürich Zürich Switzerland
3. Department of Pediatrics and Adolescent MedicineCharles University—First Faculty of Medicine and General University Hospital Ke Karlovu 2, 128 08 Praha 2, Czech Republic
4. Department of Probability and Mathematical StatisticsCharles University—Faculty of Mathematics and Physics Prague Czech Republic
5. Unit of Diagnosis and Treatment of Congenital Metabolic Diseases, S. Neonatology, Department of PediatricsHospital Clínico Universitario de Santiago de Compostela, CIBERER, Health Research Institute of Santiago de Compostela (IDIS) Santiago de Compostela Spain
6. Division of Inborn Errors of Metabolism, Department of Biochemistry and Molecular GeneticsHospital Clinic de Barcelona, CIBERER Barcelona Spain
7. Division of Neuropaediatrics and Metabolic Medicine, Centre for Paediatric and Adolescent MedicineUniversity Hospital Heidelberg Heidelberg Germany
8. Department of Internal MedicineVU Medical Center Amsterdam The Netherlands
9. Division of MetabolismBambino Gesù Children's Research Hospital Rome Italy
10. Manchester Centre for Genomic MedicineManchester University Hospitals NHS Trust Manchester UK
11. Department of PaediatricsLandeskrankenhaus Bregenz Bregenz Austria
12. School of MedicineUniversity Hospital Centre Zagreb and University of Zagreb Zagreb Croatia
13. Clinical and Metabolic Genetics, Department of PediatricsHamad Medical Corporation Doha Qatar
14. Gastroenterology and Nutrition UnitHospital Regional Universitario de Málaga Málaga Spain
15. Clinical Laboratory of Metabolic Diseases and Occidental Andalucia Newborn Screening CenterHospital Universitario Virgen del Rocío Sevilla Spain
16. Department of Experimental MedicineSapienza University of Rome Rome Italy
17. Laboratory for the Study of Inborn Errors of MetabolismIstituto Giannina Gaslini Genoa Italy
18. Regional Center for Neonatal Screening and Diagnosis of Metabolic DiseasesUniversity Department of Pediatrics—Istituto Giannina Gaslini Genoa Italy
19. National Centre for Inherited Metabolic DisordersTemple Street Children's University Hospital Dublin Ireland
20. Hospital Gregorio Marañon Madrid Spain
21. Clinical Chemistry UnitPublic Health Laboratory of Bilbao Euskadi Spain
22. Regional Center for Newborn ScreeningPediatric Hospital A. Cao, AOB Brotzu Cagliari Italy
23. Swiss Newborn Screening LaboratoryUniversity Children's Hospital Zurich Zurich Switzerland
24. Unidad de MetabolismoHospital Infantil Miguel Servet Zaragoza Spain
25. Sección Metabolopatías Centro de Bioquímica y GeneticaHospital Virgen de la Arrixaca Murcia Spain
26. Unidad de Metabolopatias, Servicio de Bioquímica ClínicaHospital Universitario Miguel Servet Zaragoza Spain
27. Department of PediatricsUniversity of Szeged Szeged Hungary
28. Newborn Screening LaboratoryCharité—University Medicine Berlin Berlin Germany
29. Austrian Newborn Screening, Department of Pediatrics and Adolescent MedicineMedical University of Vienna Vienna Austria
30. Newborn Screening, Clinical Chemistry and Pharmacology LabA. Meyer Children's University Hospital Florence Italy
31. Department of Experimental and Clinical Biomedical SciencesUniversity of Florence Florence Italy
32. Metabolic Unit, Department of PediatricsSan Joao Hospital Porto Portugal
33. Department of Human NeuroscienceSapienza University of Rome Rome Italy
34. Centre for Inherited Metabolic Diseases, Departments of Paediatrics and Clinical GeneticsCopenhagen University Hospital Copenhagen Denmark
35. National Newborn Bloodspot Screening LaboratoryTemple Street Children's University Hospital Dublin Ireland
36. Gastroenterology, Hepatology and Nutrition Department, Metabolic UnitSant Joan de Déu Hospital, Barcelona Hospital Sant Joan de Déu Barcelona Spain
37. Wales Newborn Screening Laboratory, Department of Medical Biochemistry, Immunology & Toxicology and School of MedicineCardiff University Cardiff Wales, UK
38. Metabolic and Newborn Screening Clinical Unit, Department of NeurosciencesA. Meyer Children's University Hospital Florence Italy
39. Division of Gastroenterology and NutritionHospital Infantil Universitario Niño Jesús Madrid Spain
40. Clinical Lead in Metabolic Pediatric and Neurometabolic DiseasesSon Espases University Hospital, PalmaMallorca Unit Palma de Mallorca Spain
41. Newborn Screening, Metabolism & Genetics UnitNational Institute of Health Porto Portugal
42. Laboratory and Eastern Andalusia Newborn Screening CentreMálaga Regional University Hospital, Institute of Biomedical Research in Málaga (IBIMA) Málaga Spain
43. Department of Diabetes, Endocrinology and Metabolic DiseasesUniversity Children's Hospital, UMC Ljubljana Ljubljana Slovenia
44. Centre for Inherited Metabolic DiseasesKarolinska University Hospital Stockholm Sweden
45. Department of Molecular Medicine and SurgeryKarolinska Institutet Stockholm Sweden