1. HörTech gGmbH and Cluster of Excellence Hearing4All, Marie-Curie-Straße 2, 26129 Oldenburg, Germany
2. Jean Uhrmacher Institute for Clinical ENT-Research, University of Cologne, Geibelstraße 29-31, 50931 Cologne, Germany
3. Hörzentrum Oldenburg GmbH and Cluster of Excellence Hearing4All, Marie-Curie-Straße 2, 26129 Oldenburg, Germany
4. Institute of Medical Statistics and Computational Biology, University Hospital of Cologne, Cologne, Germany