1. Integrated Research and Treatment Center (IFB) Adiposity Diseases , Leipzig University Medical Center , Leipzig , Germany ;
2. Department of Neurology, University of Leipzig , Leipzig , Germany ;
3. Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Klinik und Hochschulambulanz für Neurologie , Berlin , Germany ;
4. Department of Nuclear Medicine, University of Leipzig , Leipzig , Germany ;
5. Translational Centre for Regenerative Medicine , University of Leipzig , Leipzig , Germany ;
6. Department of Internal Medicine, University of Leipzig , Leipzig , Germany ;
7. Institute of Laboratory Medicine, Clinical Chemistry and Molecular Diagnostics, University of Leipzig , Leipzig , Germany ;
8. Departments of Radiology and Psychiatry, New York University School of Medicine , New York , USA