1. 1Department of Psychosomatic Medicine, University of Leipzig, Semmelweisstr 10, D-04103 Leipzig, Germany
2. 2Department of Psychiatry, Psychotherapy, Psychosomatics and Addiction Medicine, Martin Gropius Krankenhaus, Oderberger Straße 8, D-16225 Eberswalde, Germany
3. 3Department of Psychosomatic Medicine, University of Leipzig, D-04103 Leipzig, Germany