1Department of Neurology, University Hospital Münster, Münster, Germany

2Department of Neurology and Neurorehabilitation, Klinikum Osnabrück, Osnabrück, Germany

3Department of Speech Language Therapy, School of Health Rehabilitation Sciences, University of Patras, Greece

4Centre for Gastrointestinal Sciences, Faculty of Biology, Medicine and Health, University of Manchester and the Manchester Academic Health Sciences Centre (MAHSC), Manchester, UK

5Department of Neurology, University Hospital Tulln, Tulln, Austria

6Guidelines Methodologist, European Stroke Organisation, Basel, Switzerland

7Department of Neurology, Faculty of Medicine, Hacettepe University, Ankara, Turkey

8Stroke Trials Unit, Division of Clinical Neuroscience, University of Nottingham, Nottingham, UK

9Centro de Investigación Biomédica en Red de Enfermedades, Hepáticas y Digestivas (CIBERehd), Hospital de Mataró, Universitat Autònoma de Barcelona, Mataró, Spain

10Department of Neurology and Neurogeriatry, Johannes Wesling Medical Center Minden, University Hospital Ruhr-University Bochum, Germany

11Department of Speech & Language Therapy, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK

12Department of Biomedical and Clinical Sciences, Phoniatric Unit, Sacco Hospital Milano, University of Milano, Milan, Italy

13Department of Clinical Speech and Language Studies, Trinity College, Dublin, Ireland

14Department of Geriatric Medicine, Marien Hospital Herne, University Hospital Ruhr-University Bochum, Germany

15School of Pharmacy, University of East Anglia, Norwich Research Park, Norwich, UK

16Department of Physical and Rehabilitation Medicine, Rouen University Hospital, Rouen, France

Rainer Dziewas, Klinik für Neurologie, Klinikum Osnabrück GmbH, Am Finkenhügel 1, Osnabruck 49076, Germany. Email: [email protected].