1. Biochemistry Center Regensburg (BZR), University of Regensburg; Regensburg Germany
2. Laboratory of RNA Biology, Max-Planck-Institute of Biochemistry; Martinsried Germany
3. Department of Neurology, RWTH Aachen; Aachen Germany
4. Department of Neurology, University of Regensburg; Regensburg Germany
5. Department of Neurology, University Hospital Zurich; Zurich Switzerland
6. IST Austria (Institute of Science and Technology Austria; Klosterneuburg Austria
7. TU Munich, Institute of Experimental Oncology and Therapy Research; Munich Germany