1. Centre for Paediatric Research; University Hospital for Children and Adolescents; Leipzig Germany
2. Deparment of Pediatric Endocrinology and Inborn Metabolic Diseases; Children's Hospital of Fudan University; Shanghai China
3. Institute of Laboratory Medicine, Clinical Chemistry and Laboratory Diagnostics; University of Leipzig; Leipzig Germany
4. LIFE Leipzig Research Centre for Civilization Diseases; University of Leipzig; Leipzig Germany