1. Department of Endocrinology, Diabetes and Metabolic Diseases, University Children’s Hospital, UMC Ljubljana, Bohoričeva Ulica 20, 1000 Ljubljana, Slovenia
2. Faculty of Medicine, University of Ljubljana, Vrazov Trg 2, 1000 Ljubljana, Slovenia
3. Office of the International Society for Neonatal Screening, Reigerskamp 273, 3607 HP Maarssen, The Netherlands
4. Sheffield Children’s NHS Foundation Trust, Western Bank, Sheffield S10 2TH, UK
5. Department of Pediatrics and Inherited Metabolic Disorders, Charles University-First Faculty of Medicine, and General University Hospital in Prague, Ke Karlovu 455/2, 128 08 Praha, Czech Republic
6. Division of Child Neurology and Metabolic Medicine, Center for Child and Adolescent Medicine, Heidelberg University Hospital, Im Neuenheimer Feld 430, 69120 Heidelberg, Germany
7. National Screening Centre, Institute of Health Information & Statistics of the Czech Republic, 128 01 Prague, Czech Republic
8. Department of Dermatovenerology, General Hospital Novo Mesto, 8000 Novo Mesto, Slovenia
9. Clinical Institute for Special Laboratory Diagnostics, University Children’s Hospital, UMC Ljubljana, 1000 Ljubljana, Slovenia
10. Regional Coordinating Center for Rare Diseases, European Reference Network for Hereditary Metabolic Diseases (MetabERN), Udine University Hospital, Piazzale Santa Maria Della Misericordia 15, 33100 Udine, Italy
11. Center for Inherited Metabolic Diseases, Karolinska University Hospital, 141 86 Stockholm, Sweden
12. Department of Molecular Medicine and Surgery, Karolinska Institutet, 141 86 Stockholm, Sweden