1. Department of Hematology and Oncology, German Armed Forces Hospital of Ulm, Ulm, Germany;
2. Department of Hematology and Oncology, UKSH Campus Lübeck, Lübeck, Germany;
3. Department of Radiology, German Armed Forces Hospital of Ulm, Ulm, Germany;
4. Institute of Pathology and Molecular Pathology, German Armed Forces Hospital of Ulm, Ulm, Germany;
5. Department of Neurosurgery, German Armed Forces Hospital of Ulm, Ulm, Germany