About the Authors

Catherine J. Spellicy

Affiliation Department of Pediatrics, University of Texas Medical School at Houston, The University of Texas Health Science Center at Houston, Houston, Texas, United States of America

Hope Northrup

Affiliations Department of Pediatrics, University of Texas Medical School at Houston, The University of Texas Health Science Center at Houston, Houston, Texas, United States of America, Shriners Hospital for Children, Houston, Texas, United States of America

Jack M. Fletcher

Affiliation Department of Psychology, University of Houston, Houston, Texas, United States of America

Paul T. Cirino

Affiliation Department of Psychology and Texas Institute for Measurement, Evaluation, and Statistics (TIMES), University of Houston, Houston, Texas, United States of America

Maureen Dennis

Affiliation Department of Surgery, University of Toronto, and Program in Neurosciences and Mental Health, The Hospital for Sick Children, Toronto, Canada

Alanna C. Morrison

Affiliation Human Genetics Center, Division of Epidemiology, Human Genetics and Environmental Science, School of Public Health, University of Texas Health Sciences Center at Houston, Houston, Texas, United States of America

Carla A. Martinez

Affiliation Department of Obstetrics and Gynecology, Texas Tech University Health Science Center, El Paso, Texas, United States of America

Kit Sing Au

Kit-Sing.Au@uth.tmc.edu

Affiliation Department of Pediatrics, University of Texas Medical School at Houston, The University of Texas Health Science Center at Houston, Houston, Texas, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KSA HN JMF. Performed the experiments: CJS CAM. Analyzed the data: PTC ACM. Contributed reagents/materials/analysis tools: HN JMF MD KSA. Wrote the paper: CJS.