1. Department of Psychiatry, Psychotherapy and Psychosomatics, Medical
Faculty, University of Augsburg, Bezirkskrankenhaus Augsburg, Augsburg,
Germany
2. Department of Medical Psychology and Sociology, Medical Faculty,
University of Augsburg, Augsburg, Germany
3. Department of Psychiatry and Psychotherapy, LMU University Hospital,
Munich, Germany
4. Department of Anaesthesiology, University of Rostock, Rostock,
Germany