Affiliations: Department of Pediatric Neurology, Leeds General
Infirmary, Leeds, UK
Note: [] Correspondence: Dr. Colin D. Ferrie, Department of Pediatric
Neurology, Pediatric Offices Old Main Site (Block 16), A Floor Leeds General
Infirmary, Leeds LS1 3EX, UK. Tel.: +44 0 113 392 2188; Fax: +44 0 113 392
4547; E-mail: colin.ferrie@leedsth.nhs.uk