1. Department of Pediatric Radiology, University Hospital Leipzig, Germany
2. NMR Forschungs GmbH, Max-Planck-Institut für biophysikalische Chemie, Göttingen, Germany
3. Biomedizinische NMR Forschungs GmbH, Max-Planck-Institut für biophysikalische Chemie, Göttingen, Germany
4. Department of Neurosurgery, University Hospital Leipzig, Germany
5. Department of Pediatric Surgery, University Hospital Leipzig, Germany