Affiliations: Department of Pediatric Neurology, Leeds General
Infirmary, Leeds, UK
Note: [] Correspondence: Dr. Karen Pysden, Department of Pediatric
Neurology, Pediatric Offices, Old Main Site (Block 16), A Floor, Leeds General
Infirmary, Leeds, LS1 3EX, UK. Tel.: +44 113 392 2188; Fax: +44 113 392 2457;
E-mail: Karen.pysden@leedsth.nhs.uk