1. Department of Neurology University Hospital Heidelberg Heidelberg
2. Helios Klinik Müllheim Müllheim
3. Institute of Medical Biometry and Informatics (IMBI) University of Heidelberg Heidelberg
4. Qualitätssicherung im Gesundheitswesen Baden‐Wuerttemberg (GeQiK Baden‐Wuerttemberg) Stuttgart
5. Institute for Clinical Epidemiology and Applied Biometry University of Tuebingen Tuebingen Germany