[1] UCL, London, England
[2] Dartford & Gravesham NHS Trust, Dartford, England
[3] Stroke Assoc, London, England
[4] St Georges Univ London, London, England
[5] East Kent Hosp Univ NHS Fdn Trust, Canterbury, England
[6] London Ambulance Serv NHS Trust, London, England
[7] Univ Coll London Hosp NHS Fdn Trust, London, England
[8] Swansea Univ, Swansea, Wales
[9] Maidstone & Tunbridge Wells NHS Trust, Maidstone, England