1. Department of Neurology; Universitymedicine Greifswald; Greifswald Germany
2. Cochrane Haematology, Department I of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf; Faculty of Medicine and University Hospital Cologne, University of Cologne; Cologne Germany
3. Medical Psychology, Neuropsychology and Gender Studies and Center for Neuropsychological Diagnostics and Intervention (CeNDI); University of Cologne, Faculty of Medicine and University Hospital Cologne; Cologne Germany
4. University of Cologne, Faculty of Medicine and University Hospital Cologne; Cologne Germany
5. Institute of Medical Statistics and Computational Biology; Faculty of Medicine and University Hospital Cologne, University of Cologne; Cologne Germany
6. Department of Neurology; University Hospital Marburg; Marburg Germany
7. Liverpool Reviews and Implementation Group; University of Liverpool; Liverpool UK
8. Institute of Medical Sociology, Health Services Resarch, and Rehabilitation Science (IMVR); Faculty of Human Sciences and Faculty of Medicine and University Hospital Cologne, University of Cologne; Cologne Germany
9. Cochrane Cancer, Department I of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf; Faculty of Medicine and University Hospital Cologne, University of Cologne; Cologne Germany