[1] So Gen Hosp, Inst Neurosci, Dept Neurol, Glasgow G51 4TF, Lanark, Scotland
[2] So Gen Hosp, Dept Neuroradiol, Glasgow G51 4TF, Lanark, Scotland
[3] So Gen Hosp, Dept Electrophysiol, Glasgow G51 4TF, Lanark, Scotland
[4] Woodilee Psychiat Hosp, Lenzie G66 3UG, Scotland
[5] Western Gen Hosp, Natl CJD Surveillance Unit, Edinburgh EH4 2XU, Midlothian, Scotland