[1] Imperial Coll London, Ctr Vestibular Neurol, Brain & Vestibular Grp, London, England
[2] Kings Coll London, Sch Populat Hlth & Environm Sci, London, England
[3] Kings Coll Hosp London, Therapy Dept, London, England
[4] Plymouth Univ, Sch Hlth Profess, Plymouth, Devon, England