[1] Manchester Ctr Clin Neurosci, Manchester, Lancs, England
[2] Royal Preston Hosp, Dept Neurosurg, Preston, Lancs, England
[3] Royal Hallamshire Hosp, Dept Neurosurg, Sheffield, S Yorkshire, England
[4] Queens Hosp Romford, Dept Neurosurg, Romford, Essex, England
[5] Charing Cross Hosp, Dept Neurosurg, London, England
[6] Royal Victoria Hosp, Dept Neurosurg, Belfast, Antrim, North Ireland
[7] Kings Coll Hosp London, Dept Neurosurg, London, England
[8] Univ Hosp Southampton, Wessex Neurol Ctr, Dept Neurosurg, Southampton, Hants, England
[9] Queen Elizabeth Hosp, Dept Neurosurg, Birmingham, W Midlands, England
[10] Walton Ctr Neurol & Neurosurg, Dept Neurosurg, Liverpool, Merseyside, England
[11] Hull Royal Infirm, Dept Neurosurg, Kingston Upon Hull, N Humberside, England
[12] Univ Hosp Sussex, Dept Neurosurg, Brighton, E Sussex, England
[13] Queens Med Ctr, Dept Neurosurg, Nottingham, England
[14] Royal Stoke Univ Hosp, Dept Neurosurg, Stoke, England
[15] Leeds Gen Infirm, Dept Neurosurg, Leeds, W Yorkshire, England
[16] Western Gen Hosp, Dept Neurosurg, Edinburgh, Midlothian, Scotland
[17] Univ Hosp Wales, Dept Neurosurg, Cardiff, Wales
[18] Queen Elizabeth Univ Hosp, Dept Neurosurg, Glasgow, Lanark, Scotland
[19] Royal London Hosp, Dept Neurosurg, London, England
[20] Univ Hosp Coventry, Dept Neurosurg, Coventry, W Midlands, England
[21] Cork Univ Hosp, Dept Neurosurg, Cork, Ireland
[22] Southmead Hosp, Dept Neurosurg, Bristol, Avon, England
[23] James Cook Univ Hosp, Dept Neurosurg, Middlesbrough, Cleveland, England
[24] Natl Hosp Neurol & Neurosurg, Dept Neurosurg, London, England
[25] Royal Victoria Infirm, Dept Neurosurg, Newcastle, England
[26] Univ Hosp Plymouth NHS Trust, South West Neurosurg Ctr, Plymouth, Devon, England
[27] Addenbrookes Hosp, Dept Neurosurg, Cambridge, England
[28] Beaumont Hosp, Dept Neuroradiol, Dublin, Ireland
[29] Beaumont Hosp, Dept Neurosurg, Dublin, Ireland
[30] Trinity Coll Dublin, Sch Med, Dublin, Ireland
[31] Royal Coll Surgeons Ireland, Dublin, Ireland