1. Department of Pediatric Surgery, University Hospital of Leipzig, Leipzig, Germany.
2. Department of Metabolomics, Helmholtz Centre for Environmental Research—UFZ, Leipzig, Germany.
3. Integrated Research and Treatment Center (IFB) Adiposity Diseases, University of Leipzig, Leipzig, Germany.
4. Department of Proteomics, Helmholtz Centre for Environmental Research—UFZ, Leipzig, Germany.
5. Department of Women and Child Health, Hospital for Children and Adolescents, University of Leipzig, Leipzig, Germany.