1. Department of Neurophysiology and Pathophysiology; University Medical Center Hamburg-Eppendorf; Martinistr. 52 Hamburg Germany
2. Department of Psychiatry and Psychotherapy Charité-Universitätsmedizin; Berlin, St. Hedwig Hospital; Große Hamburger Str. 5-11 Berlin Germany
3. Institute of Audioneurotechnology; Department of Experimental Otology; ENT Clinics, Hannover School of Medicine, Feodor-Lynen-Str. 35 Hannover Germany