1. Institute of Biophysics and Physical Biochemistry, University of Regensburg, Regensburg, Germany.
2. Department of Neurology, University of Regensburg, Medical School, Regensburg, Germany.
3. Department of Neurology, RWTH Aachen, Aachen, Germany.
4. Institute of Molecular Regenerative Medicine, Paracelsus Medical University Salzburg, Salzburg, Austria.