[1] Lund Univ, Neurol Sect, Dept Clin Sci, Lund, Sweden
[2] Kings Coll London, Div Hlth & Social Care Res, London WC2R 2LS, England
[3] Umea Univ, Dept Publ Hlth & Clin Med, Umea, Sweden
[4] Univ Wurzburg, Inst Clin Epidemiol & Biometry, Comprehens Heart Failure Ctr, D-97070 Wurzburg, Germany
[5] Univ Glasgow, Inst Cardiovasc & Med Sci, Glasgow, Lanark, Scotland
[6] Ctr Guys St Thomas NHS Fdn Trust, Natl Inst Hlth Res Biomed Res, London, England
[7] German Stroke Fdn, Dept Integrated Care, Gutersloh, Germany