1. Department of Transfusion MedicineEberhard Karls University Tuebingen Tuebingen Germany
2. Robert Bosch Power Tools GmbH Leinfelden Germany
3. Institute for Diabetes Research and Metabolic Diseases of the Helmholtz Center MunichUniversity of Tuebingen Tuebingen Germany
4. German Center for Diabetes Research (DZD e.V.) Tuebingen Germany
5. Department of Internal Medicine, Division of Endocrinology, Diabetology, Angiology, Nephrology and Clinical ChemistryEberhard Karls University Tuebingen Tuebingen Germany
6. Institute for Clinical Chemistry and Pathobiochemistry, Department for Diagnostic Laboratory MedicineUniversity Hospital Tuebingen Tuebingen Germany
7. Department of Radiology, Section on Experimental RadiologyEberhard Karls University Tuebingen Tuebingen Germany