[1] Kings Coll London, Inst Psychiat Psychol & Neurosci, Dept Psychosis Studies, London, England
[2] Kings Coll Hosp NHS Fdn Trust, Dept Neurol, London, England
[3] East Kent Hosp Univ Fdn Trust, Kent & Canterbury Hosp, Canterbury, Kent, England
[4] Kings Coll Hosp NHS Fdn Trust, Dept Neurophysiol, London, England
[5] Kings Coll Hosp NHS Fdn Trust, Dept Neuroradiol, London, England
[6] St Thomas NHS Fdn Trust, Dept Radiol Guys, London, England