1. Department of Physical Medicine & Rehabilitation, Faculty of Medicine Ain Shams University Cairo Egypt
2. Department of Neurology Wake Forest School of Medicine, Medical Center Blvd Winston‐Salem North Carolina USA
3. Department of Neurology University Hospital Tuebingen Tuebingen Germany
4. Department of Physical Medicine and Rehabilitation Mayo Clinic Rochester Minnesota USA
5. Department of Neurology St Luke's Hospital Thessaloniki Greece
6. Department of Neurology St Josef Hospital, Ruhr University Bochum Bochum Germany
7. Neurological Institute, University Hospitals, Cleveland Medical Center Case Western Reserve University Cleveland Ohio USA
8. Department of Neurology Kantonsspital Lucerne Switzerland
9. Department of Neurology University of Berne Bern Switzerland
10. Hans Berger Department of Neurology Jena University Hospital Jena Germany
11. Department of Neurology, Neuromuscular Division Duke University School of Medicine Durham North Carolina USA
12. Department of Neurology and Clinical Neurophysiology Donders Institute for Brain, Cognition, and Behavior, Radboud University Medical Center Nijmegen The Netherlands
13. Department of Neurology Austin Health and University of Melbourne Heidelberg Australia
14. Division of Neurology, Department of Medicine, Faculty of Medicine University of Malaya Kuala Lumpur Malaysia
15. Division of Physical Medicine and Rehabilitation University of British Columbia British Columbia Vancouver Canada
16. Department of Neurosciences University of California San Diego School of Medicine La Jolla California USA
17. Department of Neurology and Neurological Sciences Stanford University Stanford California USA
18. Neuromuscular Center, Neurologic Institute Cleveland Clinic Cleveland Ohio USA
19. Department of Neurology Mount Sinai School of Medicine New York New York USA