1. Institute of Anatomy and Neurobiology, Westfälische Wilhelms-University, Münster, Germany
2. Clinic for Radiology, University Hospital Münster, Münster, Germany
3. Institute of Anatomy and Vascular Biology, Westfälische Wilhelms-University, Münster, Germany
4. Institute of Education and Student Affairs, Studienhospital Münster, University of Münster, Germany