1. Department of Neurosurgery, University Medical Center Schleswig-Holstein UKSH, Campus Kiel, 24105 Kiel, Germany
2. Institute of Experimental Cancer Research, University Medical Center Schleswig-Holstein UKSH, Campus Kiel, 24105 Kiel, Germany
3. Institute for Immunology, University Medical Center Schleswig-Holstein UKSH, Campus Kiel, 24105 Kiel, Germany
4. Functional Nanomaterials, Department of Materials Science, Kiel University, 24143 Kiel, Germany
5. Institute of Anatomy, Kiel University, 24098 Kiel, Germany
6. Department of Pathology, Kiel University, 24105 Kiel, Germany