1. Department of General Pediatrics Adolescent Medicine and Neonatology, Medical Center‐University of Freiburg, Faculty of Medicine Freiburg Germany
2. Department of Neuropediatrics and Muscle Disorders University Medical Center, Faculty of Medicine, University of Freiburg Freiburg Germany
3. Department of Neuropediatrics and Pediatric Metabolic Medicine Center for Child and Adolescent Medicine, University Hospital Heidelberg Heidelberg Germany
4. Department of Pediatric Neurology University Children's Hospital Frankfurt/Main Germany
5. Department of Pediatrics University Medical Center Eppendorf Hamburg Germany