1. Department of Neurology with Institute of Translational Neurology, University of Muenster, Muenster, Germany
2. School of Health Sciences, Centre for Language and Communication Science Research, City, University of London, London, UK
3. School of Allied Health, Human Services and Sport, La Trobe University, Melbourne, Australia
4. Centre of Research Excellence in Aphasia Recovery and Rehabilitation, La Trobe University, Melbourne, Australia
5. School of Health and Rehabilitation Sciences, Queensland Aphasia Research Centre, The University of Queensland, Brisbane, Australia
6. Nursing, Midwifery and Allied Health Professions Research Unit, Glasgow Caledonian University, Glasgow, UK
7. Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
8. Department of Cognitive Science, Krieger School of Arts and Sciences, Johns Hopkins University, Baltimore, MD, USA
9. Department of Physical Medicine and Rehabilitation, Johns Hopkins University School of Medicine, Baltimore, MD, USA
10. College of Health & Rehabilitation Sciences: Sargent College, Boston University, Boston, MA, USA
11. Departments of Neurology, Neurosurgery, and Neurobiology, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL, USA
12. Department of Otolaryngology-Head and Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA
13. Department of Neurology and Neurosurgery, Erasmus University Medical Centre, Rotterdam, The Netherlands
14. Department of Neurology, University Hospital RWTH Aachen, Aachen, Germany