[1] Klinikum Osnabruck GmbH, Neurol Klin, Osnabruck, Germany
[2] Univ Patras, Dept Speech Language Therapy, Patras, Greece
[3] Univ Hosp Tulln, Dept Neurol, Tulln, Austria
[4] European Stroke Org, Basel, Switzerland
[5] Hacettepe Univ, Neurol, Ankara, Turkey
[6] Univ Nottingham, Fac Med & Hlth Sci, Nottingham, England
[7] Hosp Mataro, Ctr Invest Biomed Red Enfermedades Hepat & Digest, Madrid, Spain
[8] Johannes Wesling Hosp Minden, Neurol, Minden, Germany
[9] Univ Manchester, Div Diabet Endocrinol & Gastroenterol, Sch Med Sci, Manchester, Lancs, England
[10] Sheffield Teaching Hosp NHS Fdn Trust, Geriatr & Stroke, Sheffield, S Yorkshire, England
[11] Univ Milan, Dept Biomed Sci & Technol, Phoniatr Unit, Milan, Italy
[12] Trinity Coll, Dept Clin Speech & Language Studies, Cambridge, England
[13] Univ Bochum, Marien Hosp Herne Acad Teaching Hosp, Geriatrie, Bochum, Germany
[14] Univ East Anglia, Norwich, Norfolk, England
[15] Univ Hosp Ctr Rouen, Phys & Rehabil Med, Rouen, France