Correspondence: Wendy Kein Meng Liew, MRCPCH, Neurology Service, Department of Pediatric Medicine, KK Hospital, 100 Bukit Timah Rd, Singapore 229899 (firstname.lastname@example.org).
Accepted for Publication: September 1, 2011.
Author Contributions: Study concept and design: Liew, Lek, and Lim. Acquisition of data: Lek and Lim. Analysis and interpretation of data: Lek and Jamuar. Drafting of the manuscript: Liew, Lek, and Lim. Critical revision of the manuscript for important intellectual content: Lek, Jamuar, and Lim. Administrative, technical, and material support: Liew and Jamuar. Study supervision: Lek and Lim.
Financial Disclosure: None reported.