*Division of Birth Defects and Developmental Disabilities, National Center on Birth Defects and Developmental Disabilities, Centers for Disease Control and Prevention, Atlanta, GA;
†Department of Psychiatry, University of Utah, Salt Lake City, UT;
‡Department of Pediatrics, Rutgers-New Jersey Medical School, Newark, NJ;
§Department of Pediatrics, University of Arizona, Tucson, AZ;
‖Department of Population Health Sciences, University of Wisconsin-Madison, Madison, WI;
¶Department of Pediatrics, University of Wisconsin-Madison, Madison, WI;
**Waisman Center, University of Wisconsin-Madison, Madison, WI;
††Department of Psychiatry, Washington University School of Medicine, St Louis, MO.
Address for reprints: Deborah L. Christensen, PhD, Division of Birth Defects and Developmental Disabilities, 4770 Buford Highway, MS E-86, Atlanta, GA 30341; e-mail: [email protected].
Supported by the Centers for Disease Control and Prevention.
The authors declare no conflict of interest.
Supplemental digital content is available for this article. Direct URL citations appear in the printed text and are provided in the HTML and PDF versions of this article on the journal's Web site (www.jdbp.org).
The findings and conclusions in this study are those of the authors and do not necessarily represent the official position of the Centers for Disease Control and Prevention.
See the related commentary “Prevalence Counts” by Diana L. Robins on page 80. See the video abstract from the authors at JDBP.org.
Received June , 2015
Accepted October , 2015
