Correspondence: Andrew J. White, MD, Department of Pediatrics, Washington University in St Louis, 1 Children's Pl, PO Box 8116, Saint Louis, MO 63110 (firstname.lastname@example.org).
Accepted for Publication: November 21, 2012.
Author Contributions: Study concept and design: Lee and White. Acquisition of data: White. Analysis and interpretation of data: White. Drafting of the manuscript: Lee and White. Critical revision of the manuscript for important intellectual content: Lee and White. Administrative, technical, and material support: Lee and White. Study supervision: White.
Conflict of Interest Disclosures: None reported.