1. Department of General Pediatrics, Adolescent Medicine and Neonatology Medical Center ‐ University of Freiburg, Faculty of Medicine Freiburg Germany
2. Pediatric Genetics, Center for Pediatrics and Adolescent Medicine, Medical Centre ‐ University of Freiburg, Faculty of Medicine University of Freiburg Freiburg Germany
3. Charité‐Universitätsmedizin Berlin Corporate Member of Free University Berlin, Free University of Berlin, Humboldt University of Berlin, and Berlin Institute of Health, Center for Chronically Sick Children Berlin Germany
4. Newborn Screening Laboratory, Otto‐Heubner‐Center for Pediatrics and Adolescent Medicine, Charité‐Universitätsmedizin Berlin Berlin Germany
5. Department of Pediatrics, AOU Città della Salute e della Scienza di Torino University of Torino Turin Italy
6. Department of Mother and Child, Pediatric Clinic University Hospital of Verona Verona Italy
7. Inherited Metabolic Diseases Unit, Department of Paediatrics Regional Centre for Newborn Screening, Diagnosis and Treatment of Inherited Metabolic Diseases and Congenital Endocrine Diseases, Azienda Ospedaliera Universitaria Integrata Verona Italy
8. Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico Milan Italy