1 Internal Medicine I and Clinical Chemistry, University Hospital of Heidelberg, Heidelberg, Germany. [email protected].
2 Internal Medicine I and Clinical Chemistry, University Hospital of Heidelberg, Heidelberg, Germany.
3 German Center for Diabetes Research (DZD), Neuherberg, Germany.
4 Medicover München Neuroendokrinologie, Munich, Germany.
5 Department of Neuroradiology, University Hospital of Heidelberg, Heidelberg, Germany.
6 Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich Heine University Düsseldorf, Düsseldorf, Germany.
7 NMI Natural and Medical Sciences Institute at the University of Tübingen, Reutlingen, Germany.
8 Department of Molecular Pharmacology, Institute of Pharmacology, Heidelberg University, Heidelberg, Germany.
9 Institute for Diabetes and Cancer at Helmholtz Zentrum Munich, Neuherberg, Germany.
10 Division of Endocrinology and Diabetology, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany.