1. Institute of Biochemistry, Medical Faculty, University Leipzig; Leipzig Germany
2. Paul-Flechsig Institute, Medical Faculty, University Leipzig; Leipzig Germany
3. Institute of Human Genetics at the University of Regensburg; Regensburg Germany
4. Max-Delbrück Center for Molecular Medicine; Berlin Germany
5. Institute of Anatomy, Medical Faculty, University Leipzig; Leipzig Germany
6. IFB Adiposity Diseases, Medical Faculty, University Leipzig; Leipzig Germany