1. Hospital for Children & Adolescents, Center for Pediatric Research, Leipzig University, Leipzig, Germany
2. St. Georg Hospital, Leipzig, Germany
3. Department for General Practise, Medical Faculty, Leipzig University, Leipzig, Germany
4. Leibniz Institute of Photonic Technology, Jena, Germany
5. Rudolf Boehm Institute for Pharmacology and Toxicology, Medical Faculty, Leipzig University, Leipzig, Germany
6. Division of Pediatric Endocrinology and Diabetes, University Hospital for Children and Adolescents, Ulm University, Germany
7. Institute for Metabolism and Systems Research, College for Medical and Dental Sciences, University of Birmingham, Birmingham, UK