1. Department of SLT and Music Therapy, St Mauritius Rehabilitation Centre, Meerbusch, Germany
2. Institute of Clinical Neuroscience and Medical Psychology, Medical Faculty, Heinrich-Heine University, Duesseldorf, Germany
3. Clinical and Cognitive Neurosciences, Department of Neurology, Medical Faculty, RWTH Aachen University, Aachen, Germany
4. Division of Neuroscience and Experimental Psychology, University of Manchester, Manchester, UK
5. Department of Neurology, Medical Faculty, RWTH Aachen University, Aachen, Germany