1 Department of General Pediatrics, Neonatology and Pediatric Cardiology, University Hospital Düsseldorf, Medical Faculty, Heinrich-Heine-University Düsseldorf, 40225 Düsseldorf, Germany.
2 Department of Neonatology and Perinatology, Olgahospital, Klinikum Stuttgart, 70174 Stuttgart, Germany.
3 Institute of Biochemistry and Center for Structural Studies, Heinrich-Heine-University, 40225 Düsseldorf, Germany.
4 Department of Pediatric Neurology, Olgahospital, Klinikum Stuttgart, 70174 Stuttgart, Germany.
5 Department of Pediatric Nephrology, Olgahospital, Klinikum Stuttgart, 70174 Stuttgart, Germany.
6 Department of Pediatric Radiology, Olgahospital, Klinikum Stuttgart, 70174 Stuttgart, Germany.
7 Zentrum für Humangenetik Tübingen, 72076 Tübingen, Germany.
8 Departamento de Fisiología, Facultad de Medicina, Universidad de Granada, 18016 Granada, Spain.
9 Instituto de Biotecnología, Centro de Investigación Biomédica, Universidad de Granada, 18016 Granada, Spain.
10 Centro de Investigación Biomédica en Red Fragilidad y Envejecimiento Saludable (CIBERFES), 18016 Granada, Spain.
11 MetabERN: European Reference Network for Rare Hereditary Metabolic Disorders, partner site Düsseldorf, 40225 Germany.
12 West German Center for Child and Adolescent Health, partner site Düsseldorf, 40225 Germany.