1. Department of Neurosurgery, Medical University Graz, Graz, Austria.
2. Ruprecht-Karls-University Heidelberg, Institute for Anatomy and Cell Biology, Division for Medical Cell Biology, Heidelberg, Germany.
3. National Centre for Tumour Diseases (NCT), University Hospital Heidelberg, Heidelberg, Germany.
4. Institute of Neurophysiology, Medical Faculty, University of Cologne, Cologne, Germany.
5. Department of Internal Medicine, Centre for Integrated Oncology Aachen Bonn Cologne Düsseldorf, CECAD Centre of Excellence on Cellular Stress Responses in Aging-Associated Diseases, Centre for Molecular Medicine Cologne (CMMC), University of Cologne, Cologne, Germany.
6. Miltenyi Biotec B.V. & Co. KG, Bergisch Gladbach, Germany.