1. Division of Phoniatrics-Logopedics, Department of Otorhinolaryngology, Medical University of Vienna, Währinger Gürtel 18-20, 1090 Vienna, Austria
2. Center for Cognition and Computation, Goethe University Frankfurt, Robert Meyer Str. 10-12, 60323 Frankfurt am Main, Germany
3. Institute for Diagnostic and Interventional Radiology, University Hospital, Goethe University Frankfurt, Theodor-Stern-Kai 7, 60590 Frankfurt, Germany
4. Department of Medicine, Medical Clinic 1, University Hospital, Goethe University Frankfurt, Theodor-Stern-Kai 7, 60590 Frankfurt, Germany