1. Drug Safety Center and Clinical Pharmacy, Institute of Pharmacy, Medical Faculty, Leipzig University, Bruederstr. 32, 04103 Leipzig, Germany
2. Department of Pediatric Neurology, University Medicine Greifswald, Fleischmannstraße 6, 17489 Greifswald, Germany
3. Department of Women and Child Health, Hospital for Children and Adolescents and Center for Pediatric Research, University Hospital of Leipzig, Liebigstr. 23, 04103 Leipzig, Germany
4. MEDIAN Kinderklinik am Nicolausholz Hospital for Children and Adolescents, Elly-Kutscher-Straße 16, 06628 Naumburg (Saale), Germany