| Affiliation: | 1. Pediatric Gastroenterology and Hepatology, Department of Pediatrics, Center for Liver, Digestive, and Metabolic Diseases, University of Groningen, Beatrix Children's Hospital ‐ University Medical Center Groningen, , Groningen, the Netherlands;2. Department of Neurology, Virginia Commonwealth University, , Richmond, VA, USA;3. 1st Faculty of Medicine, Institute of Medical Biochemistry and Laboratory Diagnostics, Charles University, , Prague, Czech Republic;4. 1st Faculty of Medicine, 4th Department of Internal Medicine, Charles University, , Prague, Czech Republic;5. Department of Child Neurology, Children's Mercy Hospital, University of Missouri, , Kansas City, Missouri, USA |
