Accepted for Publication: January 26, 2011.
Published Online: April 4, 2011. doi:10.1001/archpediatrics.2011.42
Author Contributions: Dr Langlois had full access to all the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis. Study concept and design: Ethen, Scheuerle, and Langlois. Acquisition of data: Ethen and Langlois. Analysis and interpretation of data: Sheu, Ethen, Scheuerle, and Langlois. Drafting of the manuscript: Sheu and Langlois. Critical revision of the manuscript for important intellectual content: Ethen, Scheuerle, and Langlois. Statistical analysis: Ethen and Langlois. Administrative, technical, and material support: Sheu, Ethen, and Langlois. Study supervision: Langlois.
Financial Disclosure: None reported.
Funding/Support: This project was supported in part through cooperative agreement U01DD000494 from the Centers for Disease Control and Prevention, as well as through Title V Maternal and Child Health Block Grant funds from the Health Resources and Services Administration, with the Texas Department of State Health Services.
Additional Contributions: We are grateful to Hyrum Kanady, Dallas/Fort Worth regional supervisor for the Birth Defects Epidemiology and Surveillance Branch, for first alerting us to an increase in cases.