1. Department of Nuclear Medicine and Clinical Molecular Imaging, University Hospital Tuebingen, 72076 Tuebingen, Germany
2. Department of Diagnostic and Interventional Radiology, University Hospital Tuebingen, 72076 Tuebingen, Germany
3. Department for Internal Medicine VIII, University Hospital Tuebingen, 72076 Tuebingen, Germany
4. Siemens Medical Solutions USA, Inc., Molecular Imaging, Knoxville, TN 37932, USA
5. iFIT-Cluster of Excellence, Eberhard Karls University Tuebingen, 72076 Tuebingen, Germany
6. German Cancer Consortium (DKTK), Partner Site Tuebingen, 72076 Tuebingen, Germany
7. Werner Siemens Imaging Center, Department of Preclinical Imaging and Radiopharmacy, Eberhard Karls University Tuebingen, 72076 Tuebingen, Germany