1. Institute of Pharmaceutical Sciences, Swiss Federal Institute of Technology, ETH Zurich, Zurich, Switzerland
2. Department of Neurology, University of the Saarland, Homburg, Germany
3. Clinic for Diagnostic and Interventional Radiology, University of the Saarland, Homburg, Germany
4. Brain Research Institute, University of Zurich, Zurich, Switzerland
5. Theodor Kocher Institute, University of Bern, Bern, Switzerland