Funding for this research was provided by:
National Cancer Institute (5 R21 CA172864, R25CA057730, R01CA165255)
National Heart, Lung, and Blood Institute (U01HL91736)
Agricultural Research Service (58-3092-5-001)
Received: 7 October 2017
Accepted: 15 February 2018
First Online: 24 February 2018
Ethics approval and consent to participate
: All participants were compensated for their time and signed informed child assent and parent consent were obtained. This study was approved by the Baylor College of Medicine Institutional Review Board.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.