1. Institute of Anatomy, Kiel University, 24118 Kiel, Germany
2. Section Biomedical Imaging, Molecular Imaging North Competence Center (MOIN CC), Department of Radiology and Neuroradiology, University Medical Center Schleswig-Holstein (UKSH), Kiel University, 24105 Kiel, Germany
3. Department of Radiology and Neuroradiology, University Medical Center Schleswig-Holstein, 24105 Kiel, Germany
4. Otto Diels Institute for Organic Chemistry, Kiel University, 24118 Kiel, Germany