1. Business Development & Quality Management Unit, University Hospital Tübingen, Tübingen
2. Department of Clinical Epidemiology and Applied Biometry, University of Tübingen, Tübingen
3. Head of the Executive Board, University Hospital Tübingen, Tübingen
4. Institute of Occupational and Social Medicine, and Health Services Research, University of Tübingen, Tübingen
5. Department of Obstetrics and Gynecology, University Hospital Tübingen, Tübingen