From the *Department of Diagnostic and Interventional Radiology, Eberhard-Karls University, Tübingen, Germany; †Laboratory of Preclinical Imaging and Imaging Technology of the Werner Siemens-Foundation, Eberhard-Karls University, Tübingen, Germany; ‡Max Planck Institute for Biological Cybernetics, Tübingen, Germany; §Department of Diagnostic and Interventional Neuroradiology, Eberhard-Karls University, Tübingen, Germany; ‖Department of Nuclear Medicine, Eberhard-Karls University, Tübingen, Germany; ¶Section of Experimental Radiology, Department of Diagnostic Radiology, Eberhard-Karls University, Tübingen, Germany; and **Department of Neuroradiology, Eberhard-Karls University, Tübingen, Germany.
Received November 12, 2009; accepted for publication (after revision) January 20, 2010.
Reprints: Andreas Boss, MD, PhD, Department of Diagnostic and Interventional Radiology, Eberhard-Karls-University of Tübingen, Hoppe-Seyler-Str. 3, Tübingen 72076, Germany. E-mail: [email protected].