1. Institute of Pharmacology and Toxicology and Bio-Imaging Center, University of Würzburg, Würzburg, Germany
2. Department of Internal Medicine I, Division of Endocrinology and Diabetes, University Hospital, University of Würzburg, Würzburg, Germany
3. Rudolf Virchow Center, University of Würzburg, Würzburg, Germany
4. Institute of Metabolism and Systems Research, University of Birmingham, Birmingham, United Kingdom
5. Centre for Endocrinology, Diabetes and Metabolism, Birmingham Health Partners, Birmingham, United Kingdom
6. Central Laboratory, University Hospital Würzburg, Würzburg, Germany
7. Centre of Membrane Proteins and Receptors, University of Birmingham, Birmingham, United Kingdom