ACKNOWLEDGMENTS
We thank the Qatar National Spina Bifida Clinic, Hamad Medical
Corporation and WCM-Q, for invaluable efforts toward patient enrollment.
We thank the California Department of Public Health Maternal Child and
Adolescent Health Division for providing data. Findings and conclusions
herein are those of the authors and do not necessarily represent the
official position of the California Department of Public Health. The
authors acknowledge the Texas Advanced Computing Center at The
University of Texas at Austin for providing high-performance computing
resources that have contributed to the research results reported within
this paper. URL: http://www.tacc.utexas.edu .