1. Department of Psychiatry and Psychotherapy; University of Regensburg; Regensburg Germany
2. Tinnitus Center, University of Regensburg; Regensburg Germany
3. Department of Psychiatry and Psychotherapy; Otto von Guericke University; Magdeburg Germany
4. Department of Psychiatry, Psychotherapy and Psychosomatics; Lech Mangfall Hospital; Agatharied Germany