1. 1Department of Neuroradiology, Heidelberg University Hospital, Heidelberg, Germany
2. 2Department of Endocrinology, Diabetology and Clinical Chemistry (Internal Medicine 1), Heidelberg University Hospital, Heidelberg, Germany
3. 3Division of Experimental Radiology, Department of Neuroradiology, Heidelberg University Hospital, Heidelberg, Germany
4. 4German Center for Diabetes Research, associated partner in the DZD, München-Neuherberg, Germany
5. 5German Cancer Research Center, Heidelberg, Germany