[1] MS Forsch & Projektentwicklungs gGmbH, German MS Register, Hannover, Germany
[2] MS Forsch & Projektentwicklungs gGmbH, Hannover, Germany
[3] Univ Manitoba, Winnipeg, MB, Canada
[4] Swansea Univ, Sch Med, Swansea, W Glam, Wales
[5] Imperial Coll, London, England
[6] Washington Univ, Sch Med, Div Biostat, St Louis, MO 63110 USA
[7] Washington Univ, Sch Med, Dept Neurol, St Louis, MO 63110 USA