1. Department of Neurology and Clinical Neuroscience, Medical Center, Faculty of Medicine University of Freiburg Freiburg Germany
2. Institute of Music Physiology and Musician's Medicine Hannover University of Music Drama and Media Hannover Germany
3. Department of Medical Physics, Medical Center, Faculty of Medicine University of Freiburg Freiburg Germany
4. Department of Neuroradiology, Medical Center, Faculty of Medicine University of Freiburg Freiburg Germany