1. Department of Neurosurgery, Hannover Medical School, Germany
2. Translational Neurosurgery and Neurobiology, Department of Neurosurgery, RWTH Aachen University, Medical Faculty, RWTH Aachen University, Germany
3. Institute for Laboratory Animal Science, Hannover Medical School, Germany
4. Institute for Laboratory Animal Science & Experimental Surgery, Medical Faculty, RWTH Aachen University, Germany